treewide: remove periods from end of package descriptions

author: Ben Siraphob <bensiraphob@gmail.com> 2020-10-11 12:55:05 +0700
committer: Jon <jonringer@users.noreply.github.com> 2020-10-17 08:22:31 -0700
commit: 683a87dbeb5cbf7a97fc8093836d3691e79780a1 (patch)
tree: 92d1b47f09af5aea2470a254e452f4da60dbd4cc
parent: ea04f8482978505571543eb6f406c9ca652c71e3 (diff)
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281 files changed, 345 insertions, 340 deletions
diff --git a/pkgs/applications/audio/csound/csound-qt/default.nix b/pkgs/applications/audio/csound/csound-qt/default.nix
index 895609d3c02..e6060c056cc 100644
--- a/pkgs/applications/audio/csound/csound-qt/default.nix
+++ b/pkgs/applications/audio/csound/csound-qt/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
                  ];
 
   meta = with stdenv.lib; {
-    description = "CsoundQt is a frontend for Csound with editor, integrated help, widgets and other features.";
+    description = "CsoundQt is a frontend for Csound with editor, integrated help, widgets and other features";
     homepage = "https://csoundqt.github.io/";
     license = licenses.gpl2;
     platforms = platforms.linux;
diff --git a/pkgs/applications/audio/gspeech/default.nix b/pkgs/applications/audio/gspeech/default.nix
index 920c06038fe..21a4d6748be 100644
--- a/pkgs/applications/audio/gspeech/default.nix
+++ b/pkgs/applications/audio/gspeech/default.nix
@@ -63,7 +63,7 @@ python3.pkgs.buildPythonApplication rec {
   strictDeps = false;
 
   meta = with lib; {
-    description = "A minimal GUI for the Text To Speech 'Svox Pico'. Read clipboard or selected text in different languages and manage it : pause, stop, replay.";
+    description = "A minimal GUI for the Text To Speech 'Svox Pico'. Read clipboard or selected text in different languages and manage it : pause, stop, replay";
     homepage = "https://github.com/mothsART/gSpeech";
     maintainers = with maintainers; [ mothsart ];
     license = licenses.gpl3;
diff --git a/pkgs/applications/audio/mellowplayer/default.nix b/pkgs/applications/audio/mellowplayer/default.nix
index a117611fdfa..26736ea3e8a 100644
--- a/pkgs/applications/audio/mellowplayer/default.nix
+++ b/pkgs/applications/audio/mellowplayer/default.nix
@@ -62,7 +62,7 @@ mkDerivation rec {
   meta = with lib; {
     inherit (qtbase.meta) platforms;
 
-    description = "Cloud music integration for your desktop.";
+    description = "Cloud music integration for your desktop";
     homepage = "https://gitlab.com/ColinDuquesnoy/MellowPlayer";
     license = licenses.gpl2;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/applications/audio/mopidy/tunein.nix b/pkgs/applications/audio/mopidy/tunein.nix
index 569d08fb4a0..9ab03232052 100644
--- a/pkgs/applications/audio/mopidy/tunein.nix
+++ b/pkgs/applications/audio/mopidy/tunein.nix
@@ -20,7 +20,7 @@ python3Packages.buildPythonApplication rec {
   pythonImportsCheck = [ "mopidy_tunein.tunein" ];
 
   meta = with stdenv.lib; {
-    description = "Mopidy extension for playing music from tunein.";
+    description = "Mopidy extension for playing music from tunein";
     homepage = "https://github.com/kingosticks/mopidy-tunein";
     license = licenses.asl20;
     maintainers = with maintainers; [ hexa ];
diff --git a/pkgs/applications/audio/orca-c/default.nix b/pkgs/applications/audio/orca-c/default.nix
index 3a4f4b2ce2b..74c74578beb 100644
--- a/pkgs/applications/audio/orca-c/default.nix
+++ b/pkgs/applications/audio/orca-c/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    description = "An esoteric programming language designed to quickly create procedural sequencers.";
+    description = "An esoteric programming language designed to quickly create procedural sequencers";
     homepage = "https://github.com/hundredrabbits/Orca-c";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/applications/audio/picoloop/default.nix b/pkgs/applications/audio/picoloop/default.nix
index 1dc9c70af87..7f6773f5e51 100644
--- a/pkgs/applications/audio/picoloop/default.nix
+++ b/pkgs/applications/audio/picoloop/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     SDL2_image
     SDL2_ttf
     alsaLib
-    libjack2 
+    libjack2
   ];
 
   sourceRoot = "source/picoloop";
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Picoloop is a synth and a stepsequencer (a clone of the famous nanoloop).";
+    description = "Picoloop is a synth and a stepsequencer (a clone of the famous nanoloop)";
     homepage = "https://github.com/yoyz/picoloop";
     platforms = platforms.linux;
     license = licenses.bsd3;
diff --git a/pkgs/applications/audio/plexamp/default.nix b/pkgs/applications/audio/plexamp/default.nix
index 36462aa28bc..27738245231 100644
--- a/pkgs/applications/audio/plexamp/default.nix
+++ b/pkgs/applications/audio/plexamp/default.nix
@@ -30,7 +30,7 @@ in appimageTools.wrapType2 {
   '';
 
   meta = with lib; {
-    description = "A beautiful Plex music player for audiophiles, curators, and hipsters.";
+    description = "A beautiful Plex music player for audiophiles, curators, and hipsters";
     homepage = "https://plexamp.com/";
     license = licenses.unfree;
     maintainers = with maintainers; [ killercup ];
diff --git a/pkgs/applications/audio/pulseaudio-ctl/default.nix b/pkgs/applications/audio/pulseaudio-ctl/default.nix
index 125dafc132e..6cabdc6534d 100644
--- a/pkgs/applications/audio/pulseaudio-ctl/default.nix
+++ b/pkgs/applications/audio/pulseaudio-ctl/default.nix
@@ -32,7 +32,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Control pulseaudio volume from the shell or mapped to keyboard shortcuts. No need for alsa-utils.";
+    description = "Control pulseaudio volume from the shell or mapped to keyboard shortcuts. No need for alsa-utils";
     homepage = "https://bbs.archlinux.org/viewtopic.php?id=124513";
     license = licenses.mit;
     maintainers = with maintainers; [ peterhoeg ];
diff --git a/pkgs/applications/editors/code-browser/default.nix b/pkgs/applications/editors/code-browser/default.nix
index 11476cae702..ed11298c621 100644
--- a/pkgs/applications/editors/code-browser/default.nix
+++ b/pkgs/applications/editors/code-browser/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   ++ stdenv.lib.optionals withQt [ "UI=qt" ]
   ++ stdenv.lib.optionals withGtk [ "UI=gtk" ];
   meta = with stdenv.lib; {
-    description = "Folding text editor, designed to hierarchically structure any kind of text file and especially source code.";
+    description = "Folding text editor, designed to hierarchically structure any kind of text file and especially source code";
     homepage = "https://tibleiz.net/code-browser/";
     license = licenses.gpl2;
     platforms = platforms.x86_64;
diff --git a/pkgs/applications/graphics/gnuclad/default.nix b/pkgs/applications/graphics/gnuclad/default.nix
index fcb4bdb5374..d27c2636e25 100644
--- a/pkgs/applications/graphics/gnuclad/default.nix
+++ b/pkgs/applications/graphics/gnuclad/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://launchpad.net/gnuclad";
-    description = "gnuclad tries to help the environment by creating trees.  It's primary use will be generating cladogram trees for the GNU/Linux distro timeline project.";
+    description = "gnuclad tries to help the environment by creating trees.  It's primary use will be generating cladogram trees for the GNU/Linux distro timeline project";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ mog ];
     platforms = platforms.linux;
diff --git a/pkgs/applications/graphics/lightburn/default.nix b/pkgs/applications/graphics/lightburn/default.nix
index 7fcec93446d..a5a255338e8 100644
--- a/pkgs/applications/graphics/lightburn/default.nix
+++ b/pkgs/applications/graphics/lightburn/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "LightBurn is layout, editing, and control software for your laser cutter.";
+    description = "LightBurn is layout, editing, and control software for your laser cutter";
     homepage = "https://lightburnsoftware.com/";
     license = stdenv.lib.licenses.unfree;
     maintainers = with stdenv.lib.maintainers; [ q3k ];
diff --git a/pkgs/applications/graphics/meshlab/default.nix b/pkgs/applications/graphics/meshlab/default.nix
index 75940fdc45b..50962d54eb2 100644
--- a/pkgs/applications/graphics/meshlab/default.nix
+++ b/pkgs/applications/graphics/meshlab/default.nix
@@ -87,7 +87,7 @@ mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    description = "A system for processing and editing 3D triangular meshes.";
+    description = "A system for processing and editing 3D triangular meshes";
     homepage = "https://www.meshlab.net/";
     license = lib.licenses.gpl3;
     maintainers = with lib.maintainers; [ viric ];
diff --git a/pkgs/applications/graphics/write_stylus/default.nix b/pkgs/applications/graphics/write_stylus/default.nix
index 8396ce72e50..3c2ad8f4fab 100644
--- a/pkgs/applications/graphics/write_stylus/default.nix
+++ b/pkgs/applications/graphics/write_stylus/default.nix
@@ -53,7 +53,7 @@ mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://www.styluslabs.com/";
-    description = "Write is a word processor for handwriting.";
+    description = "Write is a word processor for handwriting";
     platforms = platforms.linux;
     license = stdenv.lib.licenses.unfree;
     maintainers = with maintainers; [ oyren ];
diff --git a/pkgs/applications/misc/doing/default.nix b/pkgs/applications/misc/doing/default.nix
index 48e45328f67..e539cf3ae19 100644
--- a/pkgs/applications/misc/doing/default.nix
+++ b/pkgs/applications/misc/doing/default.nix
@@ -11,7 +11,7 @@ bundlerEnv {
   passthru.updateScript = bundlerUpdateScript "doing";
 
   meta = with lib; {
-    description = "A command line tool for keeping track of what you’re doing and tracking what you’ve done.";
+    description = "A command line tool for keeping track of what you’re doing and tracking what you’ve done";
     longDescription = ''
       doing is a basic CLI for adding and listing "what was I doing" reminders
       in a TaskPaper-formatted text file. It allows for multiple
diff --git a/pkgs/applications/misc/fslint/default.nix b/pkgs/applications/misc/fslint/default.nix
index f6e1071ac5e..1f2ec280549 100644
--- a/pkgs/applications/misc/fslint/default.nix
+++ b/pkgs/applications/misc/fslint/default.nix
@@ -32,7 +32,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = "A utility to find and clean various forms of lint on a filesystem.";
+    description = "A utility to find and clean various forms of lint on a filesystem";
     homepage = "https://www.pixelbeat.org/fslint/";
     license = licenses.gpl2Plus;
     maintainers = [ maintainers.dasj19 ];
diff --git a/pkgs/applications/misc/gmtp/default.nix b/pkgs/applications/misc/gmtp/default.nix
index 5ed69e7bc69..c568afac31e 100644
--- a/pkgs/applications/misc/gmtp/default.nix
+++ b/pkgs/applications/misc/gmtp/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   '';
 
   meta = {
-    description = "A simple MP3 and Media player client for UNIX and UNIX like systems.";
+    description = "A simple MP3 and Media player client for UNIX and UNIX like systems";
     homepage = "https://gmtp.sourceforge.io";
     platforms = stdenv.lib.platforms.linux;
     maintainers = [ ];
diff --git a/pkgs/applications/misc/hugo/default.nix b/pkgs/applications/misc/hugo/default.nix
index 37965fd6e3e..486a9cefc7f 100644
--- a/pkgs/applications/misc/hugo/default.nix
+++ b/pkgs/applications/misc/hugo/default.nix
@@ -22,7 +22,7 @@ buildGoModule rec {
   subPackages = [ "." ];
 
   meta = with stdenv.lib; {
-    description = "A fast and modern static website engine.";
+    description = "A fast and modern static website engine";
     homepage = "https://gohugo.io";
     license = licenses.asl20;
     maintainers = with maintainers; [ schneefux filalex77 Frostman ];
diff --git a/pkgs/applications/misc/icesl/default.nix b/pkgs/applications/misc/icesl/default.nix
index 7b642dffa50..edcc5a58ad5 100644
--- a/pkgs/applications/misc/icesl/default.nix
+++ b/pkgs/applications/misc/icesl/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = "IceSL is a GPU-accelerated procedural modeler and slicer for 3D printing.";
+    description = "IceSL is a GPU-accelerated procedural modeler and slicer for 3D printing";
     homepage = "http://shapeforge.loria.fr/icesl/index.html";
     license = licenses.inria-icesl;
     platforms = [ "i686-linux" "x86_64-linux" ];
diff --git a/pkgs/applications/misc/marktext/default.nix b/pkgs/applications/misc/marktext/default.nix
index e7600752ce2..83a7aabaef7 100644
--- a/pkgs/applications/misc/marktext/default.nix
+++ b/pkgs/applications/misc/marktext/default.nix
@@ -32,7 +32,7 @@ appimageTools.wrapType2 rec {
   extraInstallCommands = "mv $out/bin/${name} $out/bin/${pname}";
 
   meta = with lib; {
-    description = "A simple and elegant markdown editor, available for Linux, macOS and Windows.";
+    description = "A simple and elegant markdown editor, available for Linux, macOS and Windows";
     homepage = "https://marktext.app";
     license = licenses.mit;
     maintainers = with maintainers; [ nh2 ];
diff --git a/pkgs/applications/misc/ola/default.nix b/pkgs/applications/misc/ola/default.nix
index 7682b56e4d6..a9f12d572c8 100644
--- a/pkgs/applications/misc/ola/default.nix
+++ b/pkgs/applications/misc/ola/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    description = "A framework for controlling entertainment lighting equipment.";
+    description = "A framework for controlling entertainment lighting equipment";
     homepage = "https://www.openlighting.org/ola/";
     maintainers = with maintainers; [ globin ];
     license = with licenses; [ lgpl21 gpl2Plus ];
diff --git a/pkgs/applications/misc/osm2xmap/default.nix b/pkgs/applications/misc/osm2xmap/default.nix
index e5838dc1bbe..1c893336498 100644
--- a/pkgs/applications/misc/osm2xmap/default.nix
+++ b/pkgs/applications/misc/osm2xmap/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/sembruk/osm2xmap";
-    description = "Converter from OpenStreetMap data format to OpenOrienteering Mapper format.";
+    description = "Converter from OpenStreetMap data format to OpenOrienteering Mapper format";
     license = licenses.gpl3;
     maintainers = [ maintainers.mpickering ];
     platforms = with stdenv.lib.platforms; linux;
diff --git a/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix b/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix
index 15dd7222b28..820048bdd6b 100644
--- a/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix
+++ b/pkgs/applications/misc/plasma-applet-volumewin7mixer/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ plasma-framework kwindowsystem plasma-pa ];
 
   meta = with stdenv.lib; {
-    description = "A fork of the default volume plasmoid with a Windows 7 theme (vertical sliders).";
+    description = "A fork of the default volume plasmoid with a Windows 7 theme (vertical sliders)";
     homepage = "https://github.com/Zren/plasma-applet-volumewin7mixer";
     license = licenses.gpl2Plus;
     platforms = platforms.linux;
diff --git a/pkgs/applications/misc/qlcplus/default.nix b/pkgs/applications/misc/qlcplus/default.nix
index 77a24413bdd..b47d8feecf7 100644
--- a/pkgs/applications/misc/qlcplus/default.nix
+++ b/pkgs/applications/misc/qlcplus/default.nix
@@ -36,7 +36,7 @@ mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A free and cross-platform software to control DMX or analog lighting systems like moving heads, dimmers, scanners etc.";
+    description = "A free and cross-platform software to control DMX or analog lighting systems like moving heads, dimmers, scanners etc";
     maintainers = [ maintainers.globin ];
     license = licenses.asl20;
     platforms = platforms.all;
diff --git a/pkgs/applications/misc/xsuspender/default.nix b/pkgs/applications/misc/xsuspender/default.nix
index 55ecd358c6c..02559691f4d 100644
--- a/pkgs/applications/misc/xsuspender/default.nix
+++ b/pkgs/applications/misc/xsuspender/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Auto-suspend inactive X11 applications.";
+    description = "Auto-suspend inactive X11 applications";
     homepage = "https://kernc.github.io/xsuspender/";
     license = licenses.wtfpl;
     maintainers = with maintainers; [ offline ];
diff --git a/pkgs/applications/misc/yarssr/default.nix b/pkgs/applications/misc/yarssr/default.nix
index c5489b8b981..805c708ea00 100644
--- a/pkgs/applications/misc/yarssr/default.nix
+++ b/pkgs/applications/misc/yarssr/default.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/tsyrogit/zxcvbn-c";
-    description = "A fork of Yarssr (a RSS reader for the GNOME Tray) from http://yarssr.sf.net with various fixes.";
+    description = "A fork of Yarssr (a RSS reader for the GNOME Tray) from http://yarssr.sf.net with various fixes";
     license = licenses.gpl1;
     platforms = platforms.linux;
     maintainers = with maintainers; [ xurei ];
diff --git a/pkgs/applications/networking/c14/default.nix b/pkgs/applications/networking/c14/default.nix
index afd9aa53ac6..58d9d026f97 100644
--- a/pkgs/applications/networking/c14/default.nix
+++ b/pkgs/applications/networking/c14/default.nix
@@ -14,7 +14,7 @@ buildGoPackage rec {
   };
 
   meta = with stdenv.lib; {
-    description = "C14 is designed for data archiving & long-term backups.";
+    description = "C14 is designed for data archiving & long-term backups";
     homepage = "https://www.online.net/en/storage/c14-cold-storage";
     license = licenses.mit;
     maintainers = with maintainers; [ apeyroux ];
diff --git a/pkgs/applications/networking/cluster/docker-machine/default.nix b/pkgs/applications/networking/cluster/docker-machine/default.nix
index a801a122374..93f5a85c33a 100644
--- a/pkgs/applications/networking/cluster/docker-machine/default.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/default.nix
@@ -25,7 +25,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://docs.docker.com/machine/";
-    description = "Docker Machine is a tool that lets you install Docker Engine on virtual hosts, and manage Docker Engine on the hosts.";
+    description = "Docker Machine is a tool that lets you install Docker Engine on virtual hosts, and manage Docker Engine on the hosts";
     license = licenses.asl20;
     maintainers = with maintainers; [ offline tailhook ];
     platforms = platforms.unix;
diff --git a/pkgs/applications/networking/cluster/docker-machine/hyperkit.nix b/pkgs/applications/networking/cluster/docker-machine/hyperkit.nix
index a9cdbf79077..d05b34cd7de 100644
--- a/pkgs/applications/networking/cluster/docker-machine/hyperkit.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/hyperkit.nix
@@ -15,7 +15,7 @@ buildGoModule rec {
 
   meta = with lib; {
     homepage = "https://minikube.sigs.k8s.io/docs/drivers/hyperkit";
-    description = "HyperKit driver for docker-machine.";
+    description = "HyperKit driver for docker-machine";
     license = licenses.asl20;
     maintainers = with maintainers; [ atkinschang ];
     platforms = platforms.darwin;
diff --git a/pkgs/applications/networking/cluster/docker-machine/kvm.nix b/pkgs/applications/networking/cluster/docker-machine/kvm.nix
index 9352ba69da8..024572ec3db 100644
--- a/pkgs/applications/networking/cluster/docker-machine/kvm.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/kvm.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/dhiltgen/docker-machine-kvm";
-    description = "KVM driver for docker-machine.";
+    description = "KVM driver for docker-machine";
     license = licenses.asl20;
     maintainers = with maintainers; [ offline ];
     platforms = platforms.unix;
diff --git a/pkgs/applications/networking/cluster/docker-machine/kvm2.nix b/pkgs/applications/networking/cluster/docker-machine/kvm2.nix
index 172370d25e9..9ef43bed2ee 100644
--- a/pkgs/applications/networking/cluster/docker-machine/kvm2.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/kvm2.nix
@@ -19,7 +19,7 @@ buildGoModule rec {
 
   meta = with lib; {
     homepage = "https://minikube.sigs.k8s.io/docs/drivers/kvm2";
-    description = "KVM2 driver for docker-machine.";
+    description = "KVM2 driver for docker-machine";
     license = licenses.asl20;
     maintainers = with maintainers; [ tadfisher atkinschang ];
     platforms = platforms.linux;
diff --git a/pkgs/applications/networking/cluster/docker-machine/xhyve.nix b/pkgs/applications/networking/cluster/docker-machine/xhyve.nix
index 8c63a70b6d6..a740d0486db 100644
--- a/pkgs/applications/networking/cluster/docker-machine/xhyve.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/xhyve.nix
@@ -31,7 +31,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/machine-drivers/docker-machine-driver-xhyve";
-    description = "Xhyve driver for docker-machine.";
+    description = "Xhyve driver for docker-machine";
     license = licenses.bsd3;
     maintainers = with maintainers; [ periklis ];
     platforms = platforms.darwin;
diff --git a/pkgs/applications/networking/cluster/jx/default.nix b/pkgs/applications/networking/cluster/jx/default.nix
index 5199bbfaf33..6fbec331802 100644
--- a/pkgs/applications/networking/cluster/jx/default.nix
+++ b/pkgs/applications/networking/cluster/jx/default.nix
@@ -35,7 +35,7 @@ buildGoModule rec {
   '';
 
   meta = with lib; {
-    description = "JX is a command line tool for installing and using Jenkins X.";
+    description = "JX is a command line tool for installing and using Jenkins X";
     homepage = "https://jenkins-x.io";
     longDescription = ''
       Jenkins X provides automated CI+CD for Kubernetes with Preview
diff --git a/pkgs/applications/networking/cluster/k3s/default.nix b/pkgs/applications/networking/cluster/k3s/default.nix
index aed60bbfe85..ca0da973f2c 100644
--- a/pkgs/applications/networking/cluster/k3s/default.nix
+++ b/pkgs/applications/networking/cluster/k3s/default.nix
@@ -150,7 +150,7 @@ let
     '';
 
     meta = {
-      description = "The various binaries that get packaged into the final k3s binary.";
+      description = "The various binaries that get packaged into the final k3s binary";
       license = licenses.asl20;
       homepage = "https://k3s.io";
       maintainers = [ maintainers.euank ];
@@ -211,7 +211,7 @@ let
     '';
 
     meta = {
-      description = "The k3s go binary which is used by the final wrapped output below.";
+      description = "The k3s go binary which is used by the final wrapped output below";
       license = licenses.asl20;
       homepage = "https://k3s.io";
       maintainers = [ maintainers.euank ];
@@ -257,7 +257,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "A lightweight Kubernetes distribution.";
+    description = "A lightweight Kubernetes distribution";
     license = licenses.asl20;
     homepage = "https://k3s.io";
     maintainers = [ maintainers.euank ];
diff --git a/pkgs/applications/networking/cluster/k9s/default.nix b/pkgs/applications/networking/cluster/k9s/default.nix
index c365bf1e7a9..575bc5a5062 100644
--- a/pkgs/applications/networking/cluster/k9s/default.nix
+++ b/pkgs/applications/networking/cluster/k9s/default.nix
@@ -23,7 +23,7 @@ buildGoModule rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    description = "Kubernetes CLI To Manage Your Clusters In Style.";
+    description = "Kubernetes CLI To Manage Your Clusters In Style";
     homepage = "https://github.com/derailed/k9s";
     license = licenses.asl20;
     maintainers = with maintainers; [ Gonzih markus1189 ];
diff --git a/pkgs/applications/networking/cluster/linkerd/default.nix b/pkgs/applications/networking/cluster/linkerd/default.nix
index 70aeb784159..63e4e59ff45 100644
--- a/pkgs/applications/networking/cluster/linkerd/default.nix
+++ b/pkgs/applications/networking/cluster/linkerd/default.nix
@@ -18,7 +18,7 @@ buildGoModule {
   subPackages = [ "cli/cmd" ];
 
   meta = with stdenv.lib; {
-    description = "A service mesh for Kubernetes and beyond.";
+    description = "A service mesh for Kubernetes and beyond";
     homepage = "https://linkerd.io/";
     license = licenses.asl20;
     maintainers = with maintainers; [ Gonzih ];
diff --git a/pkgs/applications/networking/cluster/terragrunt/default.nix b/pkgs/applications/networking/cluster/terragrunt/default.nix
index 8cf4ba749f0..0281a721136 100644
--- a/pkgs/applications/networking/cluster/terragrunt/default.nix
+++ b/pkgs/applications/networking/cluster/terragrunt/default.nix
@@ -25,7 +25,7 @@ buildGoModule rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A thin wrapper for Terraform that supports locking for Terraform state and enforces best practices.";
+    description = "A thin wrapper for Terraform that supports locking for Terraform state and enforces best practices";
     homepage = "https://github.com/gruntwork-io/terragrunt/";
     license = licenses.mit;
     maintainers = with maintainers; [ peterhoeg ];
diff --git a/pkgs/applications/networking/feedreaders/rss2email/default.nix b/pkgs/applications/networking/feedreaders/rss2email/default.nix
index 977b71ebc50..0a28f9e074c 100644
--- a/pkgs/applications/networking/feedreaders/rss2email/default.nix
+++ b/pkgs/applications/networking/feedreaders/rss2email/default.nix
@@ -37,7 +37,7 @@ buildPythonApplication rec {
   '';
 
   meta = with lib; {
-    description = "A tool that converts RSS/Atom newsfeeds to email.";
+    description = "A tool that converts RSS/Atom newsfeeds to email";
     homepage = "https://pypi.python.org/pypi/rss2email";
     license = licenses.gpl2;
     maintainers = with maintainers; [ jb55 Profpatsch ekleog ];
diff --git a/pkgs/applications/networking/instant-messengers/mirage/default.nix b/pkgs/applications/networking/instant-messengers/mirage/default.nix
index 1101d6f9b06..0aa2dbf889b 100644
--- a/pkgs/applications/networking/instant-messengers/mirage/default.nix
+++ b/pkgs/applications/networking/instant-messengers/mirage/default.nix
@@ -47,7 +47,7 @@ mkDerivation rec {
     '';
 
   meta = with lib; {
-    description = "A fancy, customizable, keyboard-operable Qt/QML+Python Matrix chat client for encrypted and decentralized communication.";
+    description = "A fancy, customizable, keyboard-operable Qt/QML+Python Matrix chat client for encrypted and decentralized communication";
     homepage = "https://github.com/mirukana/mirage";
     license = licenses.lgpl3;
     maintainers = with maintainers; [ colemickens ];
diff --git a/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix b/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix
index a751501376f..3b1fb255b6e 100644
--- a/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pantalaimon/default.nix
@@ -56,7 +56,7 @@ buildPythonApplication rec {
   '';
 
   meta = with lib; {
-    description = "An end-to-end encryption aware Matrix reverse proxy daemon.";
+    description = "An end-to-end encryption aware Matrix reverse proxy daemon";
     homepage = "https://github.com/matrix-org/pantalaimon";
     license = licenses.asl20;
     maintainers = with maintainers; [ valodim ];
diff --git a/pkgs/applications/networking/instant-messengers/spectral/default.nix b/pkgs/applications/networking/instant-messengers/spectral/default.nix
index 23659e8a6c9..b0819ade4f3 100644
--- a/pkgs/applications/networking/instant-messengers/spectral/default.nix
+++ b/pkgs/applications/networking/instant-messengers/spectral/default.nix
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
     ++ stdenv.lib.optional stdenv.hostPlatform.isDarwin qtmacextras;
 
   meta = with stdenv.lib; {
-    description = "A glossy cross-platform Matrix client.";
+    description = "A glossy cross-platform Matrix client";
     homepage = "https://spectral.im";
     license = licenses.gpl3;
     platforms = with platforms; linux ++ darwin;
diff --git a/pkgs/applications/networking/mailreaders/evolution/evolution-ews/default.nix b/pkgs/applications/networking/mailreaders/evolution/evolution-ews/default.nix
index 26d8fb1aab8..d3f5988b474 100644
--- a/pkgs/applications/networking/mailreaders/evolution/evolution-ews/default.nix
+++ b/pkgs/applications/networking/mailreaders/evolution/evolution-ews/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    description = "Evolution connector for Microsoft Exchange Server protocols.";
+    description = "Evolution connector for Microsoft Exchange Server protocols";
     homepage = "https://gitlab.gnome.org/GNOME/evolution-ews";
     license = "LGPL-2.1-only OR LGPL-3.0-only"; # https://gitlab.gnome.org/GNOME/evolution-ews/issues/111
     maintainers = [ maintainers.dasj19 ];
diff --git a/pkgs/applications/networking/omping/default.nix b/pkgs/applications/networking/omping/default.nix
index dc52d767438..33d5a5f5111 100644
--- a/pkgs/applications/networking/omping/default.nix
+++ b/pkgs/applications/networking/omping/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
-    description = "Open Multicast Ping (omping) is a tool for testing IPv4/IPv6 multicast connectivity on a LAN.";
+    description = "Open Multicast Ping (omping) is a tool for testing IPv4/IPv6 multicast connectivity on a LAN";
     license = licenses.mit;
     platforms = platforms.unix;
     inherit (src.meta) homepage;
diff --git a/pkgs/applications/networking/p2p/magnetico/default.nix b/pkgs/applications/networking/p2p/magnetico/default.nix
index b8c1991c88f..44084daf9c0 100644
--- a/pkgs/applications/networking/p2p/magnetico/default.nix
+++ b/pkgs/applications/networking/p2p/magnetico/default.nix
@@ -23,7 +23,7 @@ buildGoModule rec {
   '';
 
   meta = with lib; {
-    description  = "Autonomous (self-hosted) BitTorrent DHT search engine suite.";
+    description  = "Autonomous (self-hosted) BitTorrent DHT search engine suite";
     homepage     = "https://github.com/boramalper/magnetico";
     license      = licenses.agpl3;
     badPlatforms = platforms.darwin;
diff --git a/pkgs/applications/networking/p2p/opentracker/default.nix b/pkgs/applications/networking/p2p/opentracker/default.nix
index ed44ff24fec..82480b1ed21 100644
--- a/pkgs/applications/networking/p2p/opentracker/default.nix
+++ b/pkgs/applications/networking/p2p/opentracker/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
     homepage = "https://erdgeist.org/arts/software/opentracker/";
     license = licenses.beerware;
     platforms = platforms.linux;
-    description = "Bittorrent tracker project which aims for minimal resource usage and is intended to run at your wlan router.";
+    description = "Bittorrent tracker project which aims for minimal resource usage and is intended to run at your wlan router";
     maintainers = with maintainers; [ makefu ];
   };
 }
diff --git a/pkgs/applications/networking/protonvpn-gui/default.nix b/pkgs/applications/networking/protonvpn-gui/default.nix
index 38ffb42aaf8..c2d7fbd10b1 100644
--- a/pkgs/applications/networking/protonvpn-gui/default.nix
+++ b/pkgs/applications/networking/protonvpn-gui/default.nix
@@ -77,7 +77,7 @@ in python3Packages.buildPythonApplication rec {
   '';
 
   meta = with lib; {
-    description = "Linux GUI for ProtonVPN, written in Python.";
+    description = "Linux GUI for ProtonVPN, written in Python";
     homepage = "https://github.com/ProtonVPN/linux-gui";
     maintainers = with maintainers; [ offline ];
     license = licenses.gpl3;
diff --git a/pkgs/applications/networking/super-productivity/default.nix b/pkgs/applications/networking/super-productivity/default.nix
index 7a70375e42c..3c4c0f0df3c 100644
--- a/pkgs/applications/networking/super-productivity/default.nix
+++ b/pkgs/applications/networking/super-productivity/default.nix
@@ -97,7 +97,7 @@ in stdenv.mkDerivation {
   dontStrip = true;
 
   meta = with stdenv.lib; {
-    description = "To Do List / Time Tracker with Jira Integration.";
+    description = "To Do List / Time Tracker with Jira Integration";
     homepage = "https://super-productivity.com";
     license = licenses.mit;
     platforms = [ "x86_64-linux" ];
diff --git a/pkgs/applications/networking/tsung/default.nix b/pkgs/applications/networking/tsung/default.nix
index 6f5a3f3ec16..7b142249687 100644
--- a/pkgs/applications/networking/tsung/default.nix
+++ b/pkgs/applications/networking/tsung/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://tsung.erlang-projects.org/";
-    description = "A high-performance benchmark framework for various protocols including HTTP, XMPP, LDAP, etc.";
+    description = "A high-performance benchmark framework for various protocols including HTTP, XMPP, LDAP, etc";
     longDescription = ''
       Tsung is a distributed load testing tool. It is protocol-independent and
       can currently be used to stress HTTP, WebDAV, SOAP, PostgreSQL, MySQL,
diff --git a/pkgs/applications/office/grisbi/default.nix b/pkgs/applications/office/grisbi/default.nix
index d4f08b141a6..812218d0a38 100644
--- a/pkgs/applications/office/grisbi/default.nix
+++ b/pkgs/applications/office/grisbi/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    description = "A personnal accounting application.";
+    description = "A personnal accounting application";
     longDescription = ''
       Grisbi is an application written by French developers, so it perfectly
       respects French accounting rules. Grisbi can manage multiple accounts,
diff --git a/pkgs/applications/office/gtg/default.nix b/pkgs/applications/office/gtg/default.nix
index 9fccd574eb1..2cc3e8eb922 100644
--- a/pkgs/applications/office/gtg/default.nix
+++ b/pkgs/applications/office/gtg/default.nix
@@ -61,7 +61,7 @@ python3Packages.buildPythonApplication rec {
   checkPhase = "python3 ../run-tests";
 
   meta = with stdenv.lib; {
-    description = " A personal tasks and TODO-list items organizer.";
+    description = " A personal tasks and TODO-list items organizer";
     longDescription = ''
       "Getting Things GNOME" (GTG) is a personal tasks and ToDo list organizer inspired by the "Getting Things Done" (GTD) methodology.
       GTG is intended to help you track everything you need to do and need to know, from small tasks to large projects.
diff --git a/pkgs/applications/office/portfolio/default.nix b/pkgs/applications/office/portfolio/default.nix
index b3538dd2b71..bb02c89486b 100644
--- a/pkgs/applications/office/portfolio/default.nix
+++ b/pkgs/applications/office/portfolio/default.nix
@@ -58,7 +58,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A simple tool to calculate the overall performance of an investment portfolio.";
+    description = "A simple tool to calculate the overall performance of an investment portfolio";
     homepage = "https://www.portfolio-performance.info/";
     license = licenses.epl10;
     maintainers = with maintainers; [ elohmeier oyren ];
diff --git a/pkgs/applications/office/trilium/default.nix b/pkgs/applications/office/trilium/default.nix
index 3d577a8852e..217f1fd85d6 100644
--- a/pkgs/applications/office/trilium/default.nix
+++ b/pkgs/applications/office/trilium/default.nix
@@ -1,7 +1,7 @@
 { stdenv, nixosTests, fetchurl, autoPatchelfHook, atomEnv, makeWrapper, makeDesktopItem, gtk3, wrapGAppsHook, zlib, libxkbfile }:
 
 let
-  description = "Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases.";
+  description = "Trilium Notes is a hierarchical note taking application with focus on building large personal knowledge bases";
   desktopItem = makeDesktopItem {
     name = "Trilium";
     exec = "trilium";
diff --git a/pkgs/applications/radio/noaa-apt/default.nix b/pkgs/applications/radio/noaa-apt/default.nix
index 55703ea44d6..5034d5fd93c 100644
--- a/pkgs/applications/radio/noaa-apt/default.nix
+++ b/pkgs/applications/radio/noaa-apt/default.nix
@@ -55,7 +55,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = with lib; {
-    description = "NOAA APT image decoder.";
+    description = "NOAA APT image decoder";
     homepage = "http://noaa-apt.mbernardi.com.ar/";
     license = licenses.gpl3Only;
     maintainers = with maintainers; [ trepetti ];
diff --git a/pkgs/applications/science/biology/bedtools/default.nix b/pkgs/applications/science/biology/bedtools/default.nix
index 332e06ea0cf..f92e912f680 100644
--- a/pkgs/applications/science/biology/bedtools/default.nix
+++ b/pkgs/applications/science/biology/bedtools/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   installPhase = "make prefix=$out SHELL=${stdenv.shell} CXX=${cxx} CC=${cc} install";
 
   meta = with stdenv.lib; {
-    description = "A powerful toolset for genome arithmetic.";
+    description = "A powerful toolset for genome arithmetic";
     license = licenses.gpl2;
     homepage = "https://bedtools.readthedocs.io/en/latest/";
     maintainers = with maintainers; [ jbedo ];
diff --git a/pkgs/applications/science/biology/mosdepth/default.nix b/pkgs/applications/science/biology/mosdepth/default.nix
index 1ce6357d2e8..d0f98719fa1 100644
--- a/pkgs/applications/science/biology/mosdepth/default.nix
+++ b/pkgs/applications/science/biology/mosdepth/default.nix
@@ -37,7 +37,7 @@ in stdenv.mkDerivation rec {
   installPhase = "install -Dt $out/bin mosdepth";
 
   meta = with stdenv.lib; {
-    description = "fast BAM/CRAM depth calculation for WGS, exome, or targeted sequencing.";
+    description = "fast BAM/CRAM depth calculation for WGS, exome, or targeted sequencing";
     license = licenses.mit;
     homepage = "https://github.com/brentp/mosdepth";
     maintainers = with maintainers; [ jbedo ];
diff --git a/pkgs/applications/science/biology/snpeff/default.nix b/pkgs/applications/science/biology/snpeff/default.nix
index c68fcfada33..941f107a580 100644
--- a/pkgs/applications/science/biology/snpeff/default.nix
+++ b/pkgs/applications/science/biology/snpeff/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Genetic variant annotation and effect prediction toolbox.";
+    description = "Genetic variant annotation and effect prediction toolbox";
     license = licenses.lgpl3;
     homepage = "http://snpeff.sourceforge.net/";
     maintainers = with maintainers; [ jbedo ];
diff --git a/pkgs/applications/science/electronics/flatcam/default.nix b/pkgs/applications/science/electronics/flatcam/default.nix
index 247f99485bb..360c6df7fe6 100644
--- a/pkgs/applications/science/electronics/flatcam/default.nix
+++ b/pkgs/applications/science/electronics/flatcam/default.nix
@@ -48,7 +48,7 @@ python3Packages.buildPythonApplication rec {
   '';
 
   meta = with lib; {
-    description = "2-D post processing for PCB fabrication on CNC routers.";
+    description = "2-D post processing for PCB fabrication on CNC routers";
     homepage = "https://bitbucket.org/jpcgt/flatcam";
     license = licenses.mit;
     maintainers = with maintainers; [ trepetti ];
diff --git a/pkgs/applications/science/math/bliss/default.nix b/pkgs/applications/science/math/bliss/default.nix
index 361b0884662..52b05646a70 100644
--- a/pkgs/applications/science/math/bliss/default.nix
+++ b/pkgs/applications/science/math/bliss/default.nix
@@ -22,14 +22,14 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     mkdir -p $out/bin $out/share/doc/bliss $out/lib $out/include/bliss
-    mv bliss $out/bin 
+    mv bliss $out/bin
     mv html/* COPYING* $out/share/doc/bliss
     mv *.a $out/lib
     mv *.h *.hh $out/include/bliss
   '';
 
   meta = with stdenv.lib; {
-    description = "bliss is an open source tool for computing automorphism groups and canonical forms of graphs. It has both a command line user interface as well as C++ and C programming language APIs.";
+    description = "bliss is an open source tool for computing automorphism groups and canonical forms of graphs. It has both a command line user interface as well as C++ and C programming language APIs";
     homepage = "http://www.tcs.hut.fi/Software/bliss/";
     license = licenses.lgpl3;
     platforms = [ "i686-linux" "x86_64-linux" ];
diff --git a/pkgs/applications/science/physics/elmerfem/default.nix b/pkgs/applications/science/physics/elmerfem/default.nix
index 46cc32fa168..a76fe3a7277 100644
--- a/pkgs/applications/science/physics/elmerfem/default.nix
+++ b/pkgs/applications/science/physics/elmerfem/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://elmerfem.org/";
-    description = "A finite element software for multiphysical problems.";
+    description = "A finite element software for multiphysical problems";
     platforms = platforms.unix;
     maintainers = [ maintainers.wulfsta ];
     license = licenses.lgpl21;
diff --git a/pkgs/applications/science/programming/scyther/default.nix b/pkgs/applications/science/programming/scyther/default.nix
index 5cfe081072a..d1e948fe187 100644
--- a/pkgs/applications/science/programming/scyther/default.nix
+++ b/pkgs/applications/science/programming/scyther/default.nix
@@ -13,7 +13,7 @@ let
   };
 
   meta = with lib; {
-    description = "Scyther is a tool for the automatic verification of security protocols.";
+    description = "Scyther is a tool for the automatic verification of security protocols";
     homepage = "https://www.cs.ox.ac.uk/people/cas.cremers/scyther/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ infinisil ];
diff --git a/pkgs/applications/version-management/git-up/default.nix b/pkgs/applications/version-management/git-up/default.nix
index faed3d25a8a..2a0a97771cb 100644
--- a/pkgs/applications/version-management/git-up/default.nix
+++ b/pkgs/applications/version-management/git-up/default.nix
@@ -28,7 +28,7 @@ pythonPackages.buildPythonApplication rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/msiemens/PyGitUp";
-    description = "A git pull replacement that rebases all local branches when pulling.";
+    description = "A git pull replacement that rebases all local branches when pulling";
     license = licenses.mit;
     maintainers = with maintainers; [ peterhoeg ];
     platforms = platforms.all;
diff --git a/pkgs/applications/version-management/sparkleshare/default.nix b/pkgs/applications/version-management/sparkleshare/default.nix
index ef61d518a1e..8f77fdbe54c 100644
--- a/pkgs/applications/version-management/sparkleshare/default.nix
+++ b/pkgs/applications/version-management/sparkleshare/default.nix
@@ -81,7 +81,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows.";
+    description = "Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows";
     homepage = "https://sparkleshare.org";
     license = lib.licenses.gpl3;
     maintainers = with lib.maintainers; [ kevincox ];
diff --git a/pkgs/applications/video/mkclean/default.nix b/pkgs/applications/video/mkclean/default.nix
index 4a3cbc81b35..6bb1bcc5d8a 100644
--- a/pkgs/applications/video/mkclean/default.nix
+++ b/pkgs/applications/video/mkclean/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "mkclean is a command line tool to clean and optimize Matroska (.mkv / .mka / .mks / .mk3d) and WebM (.webm / .weba) files that have already been muxed.";
+    description = "mkclean is a command line tool to clean and optimize Matroska (.mkv / .mka / .mks / .mk3d) and WebM (.webm / .weba) files that have already been muxed";
     homepage = "https://www.matroska.org";
     license = licenses.bsdOriginal;
     maintainers = with maintainers; [ chrisaw ];
diff --git a/pkgs/applications/video/plex-mpv-shim/default.nix b/pkgs/applications/video/plex-mpv-shim/default.nix
index 993bdd67b0d..16e6cd826ec 100644
--- a/pkgs/applications/video/plex-mpv-shim/default.nix
+++ b/pkgs/applications/video/plex-mpv-shim/default.nix
@@ -15,7 +15,7 @@ buildPythonApplication rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/iwalton3/plex-mpv-shim";
-    description = "Allows casting of videos to MPV via the Plex mobile and web app.";
+    description = "Allows casting of videos to MPV via the Plex mobile and web app";
     license = licenses.mit;
   };
 }
diff --git a/pkgs/applications/video/webtorrent_desktop/default.nix b/pkgs/applications/video/webtorrent_desktop/default.nix
index ef50dad86bc..961cb403f13 100644
--- a/pkgs/applications/video/webtorrent_desktop/default.nix
+++ b/pkgs/applications/video/webtorrent_desktop/default.nix
@@ -85,7 +85,7 @@
     '';
 
     meta = with stdenv.lib; {
-      description = "Streaming torrent app for Mac, Windows, and Linux.";
+      description = "Streaming torrent app for Mac, Windows, and Linux";
       homepage = "https://webtorrent.io/desktop";
       license = licenses.mit;
       maintainers = [ maintainers.flokli ];
diff --git a/pkgs/applications/window-managers/i3/layout-manager.nix b/pkgs/applications/window-managers/i3/layout-manager.nix
index f4c2a53b7a2..c91b1d31b95 100644
--- a/pkgs/applications/window-managers/i3/layout-manager.nix
+++ b/pkgs/applications/window-managers/i3/layout-manager.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/klaxalk/i3-layout-manager";
-    description = "Saving, loading and managing layouts for i3wm.";
+    description = "Saving, loading and managing layouts for i3wm";
     license = licenses.mit;
     platforms = platforms.linux;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/applications/window-managers/i3/lock-fancy.nix b/pkgs/applications/window-managers/i3/lock-fancy.nix
index 9b9b2dea132..c71ed04e48d 100644
--- a/pkgs/applications/window-managers/i3/lock-fancy.nix
+++ b/pkgs/applications/window-managers/i3/lock-fancy.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     cp icons/lock*.png $out/share/i3lock-fancy/icons
   '';
   meta = with stdenv.lib; {
-    description = "i3lock is a bash script that takes a screenshot of the desktop, blurs the background and adds a lock icon and text.";
+    description = "i3lock is a bash script that takes a screenshot of the desktop, blurs the background and adds a lock icon and text";
     homepage = "https://github.com/meskarune/i3lock-fancy";
     maintainers = with maintainers; [ ];
     license = licenses.mit;
diff --git a/pkgs/data/fonts/cozette/default.nix b/pkgs/data/fonts/cozette/default.nix
index a5bc752c4ca..3550facfc11 100644
--- a/pkgs/data/fonts/cozette/default.nix
+++ b/pkgs/data/fonts/cozette/default.nix
@@ -19,7 +19,7 @@ fetchzip rec {
   '';
 
   meta = with lib; {
-    description = "A bitmap programming font optimized for coziness.";
+    description = "A bitmap programming font optimized for coziness";
     homepage = "https://github.com/slavfox/cozette";
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/data/fonts/eunomia/default.nix b/pkgs/data/fonts/eunomia/default.nix
index e68f528ff38..272649582c3 100644
--- a/pkgs/data/fonts/eunomia/default.nix
+++ b/pkgs/data/fonts/eunomia/default.nix
@@ -19,7 +19,7 @@ fetchzip {
 
   meta = with lib; {
     homepage = "http://dotcolon.net/font/eunomia/";
-    description = "A futuristic decorative font.";
+    description = "A futuristic decorative font";
     platforms = platforms.all;
     maintainers = with maintainers; [ leenaars ];
     license = licenses.ofl;
diff --git a/pkgs/data/fonts/f5_6/default.nix b/pkgs/data/fonts/f5_6/default.nix
index 175648198ce..112111faa3d 100644
--- a/pkgs/data/fonts/f5_6/default.nix
+++ b/pkgs/data/fonts/f5_6/default.nix
@@ -19,7 +19,7 @@ fetchzip {
 
   meta = with lib; {
     homepage = "http://dotcolon.net/font/${pname}/";
-    description = "A weighted decorative font.";
+    description = "A weighted decorative font";
     platforms = platforms.all;
     maintainers = with maintainers; [ leenaars ];
     license = licenses.ofl;
diff --git a/pkgs/data/fonts/ferrum/default.nix b/pkgs/data/fonts/ferrum/default.nix
index fe40252ab23..3f122d22daf 100644
--- a/pkgs/data/fonts/ferrum/default.nix
+++ b/pkgs/data/fonts/ferrum/default.nix
@@ -19,7 +19,7 @@ fetchzip {
 
   meta = with lib; {
     homepage = "http://dotcolon.net/font/${pname}/";
-    description = "A decorative font.";
+    description = "A decorative font";
     platforms = platforms.all;
     maintainers = with maintainers; [ leenaars ];
     license = licenses.cc0;
diff --git a/pkgs/data/fonts/fixedsys-excelsior/default.nix b/pkgs/data/fonts/fixedsys-excelsior/default.nix
index c8d2d1c2a9e..4222b802d55 100644
--- a/pkgs/data/fonts/fixedsys-excelsior/default.nix
+++ b/pkgs/data/fonts/fixedsys-excelsior/default.nix
@@ -21,7 +21,7 @@ in fetchurl rec {
   sha256 = "32d6f07f1ff08c764357f8478892b2ba5ade23427af99759f34a0ba24bcd2e37";
 
   meta = {
-    description = "Pan-unicode version of Fixedsys, a classic DOS font.";
+    description = "Pan-unicode version of Fixedsys, a classic DOS font";
     homepage = "http://www.fixedsysexcelsior.com/";
     platforms = stdenv.lib.platforms.all;
     license = stdenv.lib.licenses.publicDomain;
diff --git a/pkgs/data/fonts/lmmath/default.nix b/pkgs/data/fonts/lmmath/default.nix
index a66bd48c897..0530141317b 100644
--- a/pkgs/data/fonts/lmmath/default.nix
+++ b/pkgs/data/fonts/lmmath/default.nix
@@ -15,7 +15,7 @@ in fetchzip rec {
   sha256 = "05k145bxgxjh7i9gx1ahigxfpc2v2vwzsy2mc41jvvg51kjr8fnn";
 
   meta = with lib; {
-    description = "The Latin Modern Math (LM Math) font completes the modernization of the Computer Modern family of typefaces designed and programmed by Donald E. Knuth.";
+    description = "The Latin Modern Math (LM Math) font completes the modernization of the Computer Modern family of typefaces designed and programmed by Donald E. Knuth";
     homepage = "http://www.gust.org.pl/projects/e-foundry/lm-math";
     # "The Latin Modern Math font is licensed under the GUST Font License (GFL),
     # which is a free license, legally equivalent to the LaTeX Project Public
diff --git a/pkgs/data/fonts/vegur/default.nix b/pkgs/data/fonts/vegur/default.nix
index af6c00e32c8..2f03dac3914 100644
--- a/pkgs/data/fonts/vegur/default.nix
+++ b/pkgs/data/fonts/vegur/default.nix
@@ -18,7 +18,7 @@ in fetchzip {
 
   meta = with lib; {
     homepage = "http://dotcolon.net/font/vegur/";
-    description = "A humanist sans serif font.";
+    description = "A humanist sans serif font";
     platforms = platforms.all;
     maintainers = [ maintainers.samueldr ];
     license = licenses.cc0;
diff --git a/pkgs/data/misc/conway_polynomials/default.nix b/pkgs/data/misc/conway_polynomials/default.nix
index 48b538fe183..f51d2293a7e 100644
--- a/pkgs/data/misc/conway_polynomials/default.nix
+++ b/pkgs/data/misc/conway_polynomials/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Contains a small database of Conway polynomials.";
+    description = "Contains a small database of Conway polynomials";
     license = licenses.gpl2;
     platforms = platforms.all;
     maintainers = with maintainers; [ timokau ];
diff --git a/pkgs/desktops/lxde/core/lxrandr/default.nix b/pkgs/desktops/lxde/core/lxrandr/default.nix
index 421c999ea2f..9df84b6b1e2 100644
--- a/pkgs/desktops/lxde/core/lxrandr/default.nix
+++ b/pkgs/desktops/lxde/core/lxrandr/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libX11 (if withGtk3 then gtk3 else gtk2) xrandr ];
 
   meta = with stdenv.lib; {
-    description = "LXRandR is the standard screen manager of LXDE.";
+    description = "LXRandR is the standard screen manager of LXDE";
     homepage = "https://lxde.org/";
     license = stdenv.lib.licenses.gpl2;
     maintainers = with maintainers; [ rawkode ];
diff --git a/pkgs/development/compilers/acme/default.nix b/pkgs/development/compilers/acme/default.nix
index c5a997ad75b..89c5620f5fc 100644
--- a/pkgs/development/compilers/acme/default.nix
+++ b/pkgs/development/compilers/acme/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A multi-platform cross assembler for 6502/6510/65816 CPUs.";
+    description = "A multi-platform cross assembler for 6502/6510/65816 CPUs";
     homepage = "https://sourceforge.net/projects/acme-crossass/";
     license = licenses.gpl2Plus;
     platforms = platforms.all;
diff --git a/pkgs/development/compilers/bs-platform/default.nix b/pkgs/development/compilers/bs-platform/default.nix
index 18436bca347..6eb7d50bfc8 100644
--- a/pkgs/development/compilers/bs-platform/default.nix
+++ b/pkgs/development/compilers/bs-platform/default.nix
@@ -18,7 +18,7 @@ in
   };
 }).overrideAttrs (attrs: {
   meta = with stdenv.lib; {
-    description = "A JavaScript backend for OCaml focused on smooth integration and clean generated code.";
+    description = "A JavaScript backend for OCaml focused on smooth integration and clean generated code";
     homepage = "https://bucklescript.github.io";
     license = licenses.lgpl3;
     maintainers = with maintainers; [ turbomack gamb anmonteiro ];
diff --git a/pkgs/development/compilers/copper/default.nix b/pkgs/development/compilers/copper/default.nix
index 4d24c78f25f..67bc786e669 100644
--- a/pkgs/development/compilers/copper/default.nix
+++ b/pkgs/development/compilers/copper/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     make BACKEND=elf64 install prefix=$out
   '';
   meta = with stdenv.lib; {
-    description = "Simple imperative language, statically typed with type inference and genericity.";
+    description = "Simple imperative language, statically typed with type inference and genericity";
     homepage = "https://tibleiz.net/copper/";
     license = licenses.bsd2;
     platforms = platforms.x86_64;
diff --git a/pkgs/development/compilers/inform7/default.nix b/pkgs/development/compilers/inform7/default.nix
index 62bd0142f32..8e5f02e792d 100644
--- a/pkgs/development/compilers/inform7/default.nix
+++ b/pkgs/development/compilers/inform7/default.nix
@@ -22,7 +22,7 @@ in stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    description = "A design system for interactive fiction.";
+    description = "A design system for interactive fiction";
     homepage = "http://inform7.com/";
     license = licenses.artistic2;
     maintainers = with maintainers; [ mbbx6spp ];
diff --git a/pkgs/development/compilers/mozart/default.nix b/pkgs/development/compilers/mozart/default.nix
index 025652c7492..d9ab475880e 100644
--- a/pkgs/development/compilers/mozart/default.nix
+++ b/pkgs/development/compilers/mozart/default.nix
@@ -79,7 +79,7 @@ in stdenv.mkDerivation rec {
   ];
 
   meta = {
-    description = "An open source implementation of Oz 3.";
+    description = "An open source implementation of Oz 3";
     maintainers = [ lib.maintainers.layus ];
     license = lib.licenses.bsd2;
     homepage = "https://mozart.github.io";
diff --git a/pkgs/development/compilers/openjdk/openjfx/11.nix b/pkgs/development/compilers/openjdk/openjfx/11.nix
index adb564f7cfe..513f4d968f6 100644
--- a/pkgs/development/compilers/openjdk/openjfx/11.nix
+++ b/pkgs/development/compilers/openjdk/openjfx/11.nix
@@ -106,7 +106,7 @@ in makePackage {
   meta = with stdenv.lib; {
     homepage = "http://openjdk.java.net/projects/openjfx/";
     license = licenses.gpl2;
-    description = "The next-generation Java client toolkit.";
+    description = "The next-generation Java client toolkit";
     maintainers = with maintainers; [ abbradar ];
     platforms = [ "i686-linux" "x86_64-linux" ];
   };
diff --git a/pkgs/development/compilers/openjdk/openjfx/14.nix b/pkgs/development/compilers/openjdk/openjfx/14.nix
index 22b5be7dc69..51512c5afca 100644
--- a/pkgs/development/compilers/openjdk/openjfx/14.nix
+++ b/pkgs/development/compilers/openjdk/openjfx/14.nix
@@ -108,7 +108,7 @@ in makePackage {
   meta = with stdenv.lib; {
     homepage = "http://openjdk.java.net/projects/openjfx/";
     license = licenses.gpl2;
-    description = "The next-generation Java client toolkit.";
+    description = "The next-generation Java client toolkit";
     maintainers = with maintainers; [ abbradar ];
     platforms = [ "i686-linux" "x86_64-linux" ];
   };
diff --git a/pkgs/development/compilers/ponyc/pony-stable.nix b/pkgs/development/compilers/ponyc/pony-stable.nix
index 0a526023902..3c1b2a0f91b 100644
--- a/pkgs/development/compilers/ponyc/pony-stable.nix
+++ b/pkgs/development/compilers/ponyc/pony-stable.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   installFlags = [ "prefix=${placeholder "out"}" "install" ];
 
   meta = {
-    description = "A simple dependency manager for the Pony language.";
+    description = "A simple dependency manager for the Pony language";
     homepage = "https://www.ponylang.org";
     license = stdenv.lib.licenses.bsd2;
     maintainers = with stdenv.lib.maintainers; [ dipinhora kamilchm patternspandemic ];
diff --git a/pkgs/development/compilers/scala/dotty-bare.nix b/pkgs/development/compilers/scala/dotty-bare.nix
index 9b060227067..cefa4537c36 100644
--- a/pkgs/development/compilers/scala/dotty-bare.nix
+++ b/pkgs/development/compilers/scala/dotty-bare.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Research platform for new language concepts and compiler technologies for Scala.";
+    description = "Research platform for new language concepts and compiler technologies for Scala";
     longDescription = ''
        Dotty is a platform to try out new language concepts and compiler technologies for Scala.
        The focus is mainly on simplification. We remove extraneous syntax (e.g. no XML literals),
diff --git a/pkgs/development/compilers/shaderc/default.nix b/pkgs/development/compilers/shaderc/default.nix
index 6a0c7ded4b9..23532cc8446 100644
--- a/pkgs/development/compilers/shaderc/default.nix
+++ b/pkgs/development/compilers/shaderc/default.nix
@@ -52,7 +52,7 @@ in stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     inherit (src.meta) homepage;
-    description = "A collection of tools, libraries and tests for shader compilation.";
+    description = "A collection of tools, libraries and tests for shader compilation";
     license = [ licenses.asl20 ];
   };
 }
diff --git a/pkgs/development/compilers/x11basic/default.nix b/pkgs/development/compilers/x11basic/default.nix
index cc4788e3ce0..9bf6b3d2874 100644
--- a/pkgs/development/compilers/x11basic/default.nix
+++ b/pkgs/development/compilers/x11basic/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://x11-basic.sourceforge.net/";
-    description = "A Basic interpreter and compiler with graphics capabilities.";
+    description = "A Basic interpreter and compiler with graphics capabilities";
     license = licenses.gpl2;
     maintainers = with maintainers; [ edwtjo ];
     platforms = platforms.unix;
diff --git a/pkgs/development/interpreters/alda/default.nix b/pkgs/development/interpreters/alda/default.nix
index e04188426a1..b82b0b978f9 100644
--- a/pkgs/development/interpreters/alda/default.nix
+++ b/pkgs/development/interpreters/alda/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A music programming language for musicians.";
+    description = "A music programming language for musicians";
     homepage = "https://alda.io";
     license = licenses.epl10;
     maintainers = [ maintainers.ericdallo ];
diff --git a/pkgs/development/interpreters/racket/minimal.nix b/pkgs/development/interpreters/racket/minimal.nix
index 02aed6e8929..abff21c798a 100644
--- a/pkgs/development/interpreters/racket/minimal.nix
+++ b/pkgs/development/interpreters/racket/minimal.nix
@@ -9,7 +9,7 @@ racket.overrideAttrs (oldAttrs: rec {
   };
 
   meta = oldAttrs.meta // {
-    description = "Racket without bundled packages, such as Dr. Racket.";
+    description = "Racket without bundled packages, such as Dr. Racket";
     longDescription = ''The essential package racket-libs is included,
       as well as libraries that live in collections. In particular, raco
       and the pkg library are still bundled.
diff --git a/pkgs/development/libraries/flatbuffers/default.nix b/pkgs/development/libraries/flatbuffers/default.nix
index 0b0e0fd9e22..424aeb8637d 100644
--- a/pkgs/development/libraries/flatbuffers/default.nix
+++ b/pkgs/development/libraries/flatbuffers/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   checkTarget = "test";
 
   meta = {
-    description = "Memory Efficient Serialization Library.";
+    description = "Memory Efficient Serialization Library";
     longDescription = ''
       FlatBuffers is an efficient cross platform serialization library for
       games and other memory constrained apps. It allows you to directly
diff --git a/pkgs/development/libraries/intel-media-sdk/default.nix b/pkgs/development/libraries/intel-media-sdk/default.nix
index 83d901780c5..90f6b4d49b8 100644
--- a/pkgs/development/libraries/intel-media-sdk/default.nix
+++ b/pkgs/development/libraries/intel-media-sdk/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   meta = with stdenv.lib; {
-    description = "Intel Media SDK.";
+    description = "Intel Media SDK";
     license = licenses.mit;
     maintainers = with maintainers; [ midchildan ];
     platforms = [ "x86_64-linux" ];
diff --git a/pkgs/development/libraries/jcal/default.nix b/pkgs/development/libraries/jcal/default.nix
index 8e7818bf4e5..a40de74037a 100644
--- a/pkgs/development/libraries/jcal/default.nix
+++ b/pkgs/development/libraries/jcal/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   preAutoreconf = "cd sources/";
 
   meta = with stdenv.lib; {
-    description = "Jalali calendar is a small and portable free software library to manipulate date and time in Jalali calendar system.";
+    description = "Jalali calendar is a small and portable free software library to manipulate date and time in Jalali calendar system";
     homepage =  "http://nongnu.org/jcal/";
     license = licenses.gpl3;
     maintainers = [ maintainers.linarcx ];
diff --git a/pkgs/development/libraries/jsoncpp/default.nix b/pkgs/development/libraries/jsoncpp/default.nix
index 8635c1fb40d..5e361a09d35 100644
--- a/pkgs/development/libraries/jsoncpp/default.nix
+++ b/pkgs/development/libraries/jsoncpp/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     inherit version;
     homepage = "https://github.com/open-source-parsers/jsoncpp";
-    description = "A C++ library for interacting with JSON.";
+    description = "A C++ library for interacting with JSON";
     maintainers = with maintainers; [ ttuegel cpages nand0p ];
     license = licenses.mit;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/libdynd/default.nix b/pkgs/development/libraries/libdynd/default.nix
index eec982aeeb0..cc9018421fe 100644
--- a/pkgs/development/libraries/libdynd/default.nix
+++ b/pkgs/development/libraries/libdynd/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
   outputDoc = "dev";
 
   meta = with stdenv.lib; {
-    description = "C++ dynamic ndarray library, with Python exposure.";
+    description = "C++ dynamic ndarray library, with Python exposure";
     homepage = "http://libdynd.org";
     license = licenses.bsd2;
     platforms = platforms.linux;
diff --git a/pkgs/development/libraries/libipfix/default.nix b/pkgs/development/libraries/libipfix/default.nix
index 1b8aef201af..69918b5d36c 100644
--- a/pkgs/development/libraries/libipfix/default.nix
+++ b/pkgs/development/libraries/libipfix/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   };
   meta = with stdenv.lib; {
     homepage = "http://libipfix.sourceforge.net/";
-    description = "The libipfix C-library implements the IPFIX protocol defined by the IP Flow Information Export working group of the IETF.";
+    description = "The libipfix C-library implements the IPFIX protocol defined by the IP Flow Information Export working group of the IETF";
     license = licenses.lgpl3;
     platforms = platforms.linux;
     maintainers = with maintainers; [ lewo ];
diff --git a/pkgs/development/libraries/libmysqlconnectorcpp/default.nix b/pkgs/development/libraries/libmysqlconnectorcpp/default.nix
index ecec1e79492..6c4874112b7 100644
--- a/pkgs/development/libraries/libmysqlconnectorcpp/default.nix
+++ b/pkgs/development/libraries/libmysqlconnectorcpp/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = "https://dev.mysql.com/downloads/connector/cpp/";
-    description = "C++ library for connecting to mysql servers.";
+    description = "C++ library for connecting to mysql servers";
     license = stdenv.lib.licenses.gpl2;
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/libraries/libnetfilter_acct/default.nix b/pkgs/development/libraries/libnetfilter_acct/default.nix
index d33782ad7e5..268da3813e7 100644
--- a/pkgs/development/libraries/libnetfilter_acct/default.nix
+++ b/pkgs/development/libraries/libnetfilter_acct/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://www.netfilter.org/projects/libnetfilter_acct/";
-    description = "Userspace library providing interface to extended accounting infrastructure.";
+    description = "Userspace library providing interface to extended accounting infrastructure";
     license = licenses.gpl2;
     platforms = platforms.linux;
   };
diff --git a/pkgs/development/libraries/libroxml/default.nix b/pkgs/development/libraries/libroxml/default.nix
index 3993451e19f..b72ffb5b7ec 100644
--- a/pkgs/development/libraries/libroxml/default.nix
+++ b/pkgs/development/libraries/libroxml/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   };
   meta = with stdenv.lib; {
     homepage = "http://www.libroxml.net/";
-    description = "This library is minimum, easy-to-use, C implementation for xml file parsing.";
+    description = "This library is minimum, easy-to-use, C implementation for xml file parsing";
     license = licenses.lgpl3;
     platforms = platforms.unix;
     maintainers = with maintainers; [ mpickering ];
diff --git a/pkgs/development/libraries/libui/default.nix b/pkgs/development/libraries/libui/default.nix
index c009c786672..5cb19f863cc 100644
--- a/pkgs/development/libraries/libui/default.nix
+++ b/pkgs/development/libraries/libui/default.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage    = "https://github.com/andlabs/libui";
-    description = "Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.";
+    description = "Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports";
     license     = licenses.mit;
     platforms   = platforms.unix;
   };
diff --git a/pkgs/development/libraries/muparserx/default.nix b/pkgs/development/libraries/muparserx/default.nix
index 2c5bde316b4..d7de5ff00f3 100644
--- a/pkgs/development/libraries/muparserx/default.nix
+++ b/pkgs/development/libraries/muparserx/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A C++ Library for Parsing Expressions with Strings, Complex Numbers, Vectors, Matrices and more.";
+    description = "A C++ Library for Parsing Expressions with Strings, Complex Numbers, Vectors, Matrices and more";
     homepage = "https://beltoforion.de/en/muparserx/";
     license = licenses.bsd2;
     maintainers = with maintainers; [ drewrisinger ];
diff --git a/pkgs/development/libraries/mypaint-brushes/1.0.nix b/pkgs/development/libraries/mypaint-brushes/1.0.nix
index c66329fa633..570588e22fb 100644
--- a/pkgs/development/libraries/mypaint-brushes/1.0.nix
+++ b/pkgs/development/libraries/mypaint-brushes/1.0.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://mypaint.org/";
-    description = "Brushes used by MyPaint and other software using libmypaint.";
+    description = "Brushes used by MyPaint and other software using libmypaint";
     license = licenses.cc0;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/mypaint-brushes/default.nix b/pkgs/development/libraries/mypaint-brushes/default.nix
index 20caf6e5775..d2fb8ed143a 100644
--- a/pkgs/development/libraries/mypaint-brushes/default.nix
+++ b/pkgs/development/libraries/mypaint-brushes/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://mypaint.org/";
-    description = "Brushes used by MyPaint and other software using libmypaint.";
+    description = "Brushes used by MyPaint and other software using libmypaint";
     license = licenses.cc0;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/pangoxsl/default.nix b/pkgs/development/libraries/pangoxsl/default.nix
index d316250411d..26d012e81e1 100644
--- a/pkgs/development/libraries/pangoxsl/default.nix
+++ b/pkgs/development/libraries/pangoxsl/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   ];
 
   meta = with stdenv.lib; {
-    description = "Implements several of the inline properties defined by XSL that are not currently implemented by Pango.";
+    description = "Implements several of the inline properties defined by XSL that are not currently implemented by Pango";
     homepage = "https://sourceforge.net/projects/pangopdf";
     platforms = platforms.unix;
     license = licenses.lgpl2;
diff --git a/pkgs/development/libraries/pdal/default.nix b/pkgs/development/libraries/pdal/default.nix
index 2059b4db7fb..4fbf5df0774 100644
--- a/pkgs/development/libraries/pdal/default.nix
+++ b/pkgs/development/libraries/pdal/default.nix
@@ -89,7 +89,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    description = "PDAL is Point Data Abstraction Library. GDAL for point cloud data.";
+    description = "PDAL is Point Data Abstraction Library. GDAL for point cloud data";
     homepage = "https://pdal.io";
     license = licenses.bsd3;
     maintainers = with maintainers; [ nh2 ];
diff --git a/pkgs/development/libraries/properties-cpp/default.nix b/pkgs/development/libraries/properties-cpp/default.nix
index ce56c464588..fb998169595 100644
--- a/pkgs/development/libraries/properties-cpp/default.nix
+++ b/pkgs/development/libraries/properties-cpp/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://launchpad.net/properties-cpp";
-    description = "A very simple convenience library for handling properties and signals in C++11.";
+    description = "A very simple convenience library for handling properties and signals in C++11";
     license = licenses.lgpl3;
     maintainers = with maintainers; [ edwtjo ];
   };
diff --git a/pkgs/development/libraries/python-qt/default.nix b/pkgs/development/libraries/python-qt/default.nix
index a52b3608eb7..6f2550ca9ac 100644
--- a/pkgs/development/libraries/python-qt/default.nix
+++ b/pkgs/development/libraries/python-qt/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "PythonQt is a dynamic Python binding for the Qt framework. It offers an easy way to embed the Python scripting language into your C++ Qt applications.";
+    description = "PythonQt is a dynamic Python binding for the Qt framework. It offers an easy way to embed the Python scripting language into your C++ Qt applications";
     homepage = "http://pythonqt.sourceforge.net/";
     license = licenses.lgpl21;
     platforms = platforms.all;
diff --git a/pkgs/development/libraries/rlottie/default.nix b/pkgs/development/libraries/rlottie/default.nix
index a77c851ebca..3713bcf1df7 100644
--- a/pkgs/development/libraries/rlottie/default.nix
+++ b/pkgs/development/libraries/rlottie/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/Samsung/rlottie";
-    description = "A platform independent standalone c++ library for rendering vector based animations and art in realtime.";
+    description = "A platform independent standalone c++ library for rendering vector based animations and art in realtime";
     license = licenses.unfree; # Mixed, see https://github.com/Samsung/rlottie/blob/master/COPYING
     platforms = platforms.all;
     maintainers = with maintainers; [ CRTified ];
diff --git a/pkgs/development/libraries/science/math/itpp/default.nix b/pkgs/development/libraries/science/math/itpp/default.nix
index d7fae9ae479..c74a7408e98 100644
--- a/pkgs/development/libraries/science/math/itpp/default.nix
+++ b/pkgs/development/libraries/science/math/itpp/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "IT++ is a C++ library of mathematical, signal processing and communication classes and functions.";
+    description = "IT++ is a C++ library of mathematical, signal processing and communication classes and functions";
     homepage = http://itpp.sourceforge.net/;
     license = licenses.gpl3;
     platforms = platforms.unix;
diff --git a/pkgs/development/libraries/serialdv/default.nix b/pkgs/development/libraries/serialdv/default.nix
index d711cd9fc80..47d4e68f658 100644
--- a/pkgs/development/libraries/serialdv/default.nix
+++ b/pkgs/development/libraries/serialdv/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
 
   meta = with stdenv.lib; {
-    description = "C++ Minimal interface to encode and decode audio with AMBE3000 based devices in packet mode over a serial link.";
+    description = "C++ Minimal interface to encode and decode audio with AMBE3000 based devices in packet mode over a serial link";
     homepage = "https://github.com/f4exb/serialdv";
     platforms = platforms.linux;
     maintainers = with maintainers; [ alkeryn ];
diff --git a/pkgs/development/libraries/taglib/default.nix b/pkgs/development/libraries/taglib/default.nix
index c553405878f..28373605a6b 100644
--- a/pkgs/development/libraries/taglib/default.nix
+++ b/pkgs/development/libraries/taglib/default.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     homepage = "https://taglib.org/";
     repositories.git = "git://github.com/taglib/taglib.git";
-    description = "A library for reading and editing audio file metadata.";
+    description = "A library for reading and editing audio file metadata";
     longDescription = ''
       TagLib is a library for reading and editing the meta-data of several
       popular audio formats. Currently it supports both ID3v1 and ID3v2 for MP3
diff --git a/pkgs/development/libraries/vsqlite/default.nix b/pkgs/development/libraries/vsqlite/default.nix
index e54a4a40af1..a4c9cb556b9 100644
--- a/pkgs/development/libraries/vsqlite/default.nix
+++ b/pkgs/development/libraries/vsqlite/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://vsqlite.virtuosic-bytes.com/";
-    description = "C++ wrapper library for sqlite.";
+    description = "C++ wrapper library for sqlite";
     license = licenses.bsd3;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/mobile/cocoapods/default.nix b/pkgs/development/mobile/cocoapods/default.nix
index f0d1a3b89d0..2ab285b1730 100644
--- a/pkgs/development/mobile/cocoapods/default.nix
+++ b/pkgs/development/mobile/cocoapods/default.nix
@@ -13,7 +13,7 @@ bundlerApp {
   passthru.updateScript = toString ./update;
 
   meta = with lib; {
-    description     = "CocoaPods manages dependencies for your Xcode projects.";
+    description     = "CocoaPods manages dependencies for your Xcode projects";
     homepage        = "https://github.com/CocoaPods/CocoaPods";
     license         = licenses.mit;
     platforms       = platforms.darwin;
diff --git a/pkgs/development/python-modules/jc/default.nix b/pkgs/development/python-modules/jc/default.nix
index e37f5bc7e62..cc74076b6c7 100644
--- a/pkgs/development/python-modules/jc/default.nix
+++ b/pkgs/development/python-modules/jc/default.nix
@@ -22,7 +22,7 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ ruamel_yaml xmltodict pygments ];
 
   meta = with stdenv.lib; {
-    description = "This tool serializes the output of popular command line tools and filetypes to structured JSON output.";
+    description = "This tool serializes the output of popular command line tools and filetypes to structured JSON output";
     homepage = "https://github.com/kellyjonbrazil/jc";
     license = licenses.mit;
     maintainers = with maintainers; [ atemu ];
diff --git a/pkgs/development/python-modules/pywal/default.nix b/pkgs/development/python-modules/pywal/default.nix
index b565188ccea..ccc862f8aa4 100644
--- a/pkgs/development/python-modules/pywal/default.nix
+++ b/pkgs/development/python-modules/pywal/default.nix
@@ -28,7 +28,7 @@ buildPythonPackage rec {
   '';
 
   meta = with lib; {
-    description = "Generate and change colorschemes on the fly. A 'wal' rewrite in Python 3.";
+    description = "Generate and change colorschemes on the fly. A 'wal' rewrite in Python 3";
     homepage = "https://github.com/dylanaraps/pywal";
     license = licenses.mit;
     maintainers = with maintainers; [ Fresheyeball ];
diff --git a/pkgs/development/python-modules/yq/default.nix b/pkgs/development/python-modules/yq/default.nix
index 05f608ff4e9..61087639265 100644
--- a/pkgs/development/python-modules/yq/default.nix
+++ b/pkgs/development/python-modules/yq/default.nix
@@ -46,7 +46,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "yq" ];
 
   meta = with lib; {
-    description = "Command-line YAML processor - jq wrapper for YAML documents.";
+    description = "Command-line YAML processor - jq wrapper for YAML documents";
     homepage = "https://github.com/kislyuk/yq";
     license = [ licenses.asl20 ];
     maintainers = [ maintainers.womfoo ];
diff --git a/pkgs/development/tools/analysis/garcosim/tracefilesim/default.nix b/pkgs/development/tools/analysis/garcosim/tracefilesim/default.nix
index 7a6f3481d53..10f0d74c0dc 100644
--- a/pkgs/development/tools/analysis/garcosim/tracefilesim/default.nix
+++ b/pkgs/development/tools/analysis/garcosim/tracefilesim/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    description = "Ease the analysis of existing memory management techniques, as well as the prototyping of new memory management techniques.";
+    description = "Ease the analysis of existing memory management techniques, as well as the prototyping of new memory management techniques";
     homepage = "https://github.com/GarCoSim";
     maintainers = [ maintainers.cmcdragonkai ];
     license = licenses.gpl2;
diff --git a/pkgs/development/tools/analysis/pev/default.nix b/pkgs/development/tools/analysis/pev/default.nix
index 8e8f438b5e1..cf09d249a9a 100644
--- a/pkgs/development/tools/analysis/pev/default.nix
+++ b/pkgs/development/tools/analysis/pev/default.nix
@@ -5,8 +5,8 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "merces";
     repo = "pev";
-    rev = "aa4ef7f"; 
-    sha256 = "00a3g486343lhqcsf4vrdy5xif6v3cgcf2y8yp5b96x15c0wid36"; 
+    rev = "aa4ef7f";
+    sha256 = "00a3g486343lhqcsf4vrdy5xif6v3cgcf2y8yp5b96x15c0wid36";
     fetchSubmodules = true;
   };
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   installFlags = [ "prefix=$(out)" ];
 
   meta = with stdenv.lib; {
-    description = "pev is a full-featured, open source, multiplatform command line toolkit to work with PE (Portable Executables) binaries.";
+    description = "pev is a full-featured, open source, multiplatform command line toolkit to work with PE (Portable Executables) binaries";
     homepage = "http://pev.sourceforge.net/";
     license = licenses.gpl2;
     platforms = platforms.linux;
diff --git a/pkgs/development/tools/bazel-watcher/default.nix b/pkgs/development/tools/bazel-watcher/default.nix
index fae1310bd58..59a345faf29 100644
--- a/pkgs/development/tools/bazel-watcher/default.nix
+++ b/pkgs/development/tools/bazel-watcher/default.nix
@@ -73,7 +73,7 @@ buildBazelPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/bazelbuild/bazel-watcher";
-    description = "Tools for building Bazel targets when source files change.";
+    description = "Tools for building Bazel targets when source files change";
     license = licenses.asl20;
     maintainers = with maintainers; [ kalbasit ];
     platforms = platforms.all;
diff --git a/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix b/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix
index 9910256afc0..4cde308b835 100644
--- a/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix
@@ -82,7 +82,7 @@ buildBazelPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/buchgr/bazel-remote";
-    description = "A remote HTTP/1.1 cache for Bazel.";
+    description = "A remote HTTP/1.1 cache for Bazel";
     license = licenses.asl20;
     maintainers = [ maintainers.uri-canva ];
     platforms = platforms.darwin ++ platforms.linux;
diff --git a/pkgs/development/tools/build-managers/bazel/buildtools/default.nix b/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
index dd9bc4016f5..43a70c6a765 100644
--- a/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
+++ b/pkgs/development/tools/build-managers/bazel/buildtools/default.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   buildFlagsArray = [ "-ldflags=-s -w -X main.buildVersion=${version} -X main.buildScmRevision=${src.rev}" ];
 
   meta = with stdenv.lib; {
-    description = "Tools for working with Google's bazel buildtool. Includes buildifier, buildozer, and unused_deps.";
+    description = "Tools for working with Google's bazel buildtool. Includes buildifier, buildozer, and unused_deps";
     homepage = "https://github.com/bazelbuild/buildtools";
     license = licenses.asl20;
     maintainers = with maintainers; [ elasticdog uri-canva marsam ];
diff --git a/pkgs/development/tools/build-managers/bloop/default.nix b/pkgs/development/tools/build-managers/bloop/default.nix
index c3049edee64..45612182ed9 100644
--- a/pkgs/development/tools/build-managers/bloop/default.nix
+++ b/pkgs/development/tools/build-managers/bloop/default.nix
@@ -85,7 +85,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     homepage = "https://scalacenter.github.io/bloop/";
     license = licenses.asl20;
-    description = "Bloop is a Scala build server and command-line tool to make the compile and test developer workflows fast and productive in a build-tool-agnostic way.";
+    description = "Bloop is a Scala build server and command-line tool to make the compile and test developer workflows fast and productive in a build-tool-agnostic way";
     platforms = [ "x86_64-linux" "x86_64-darwin" ];
     maintainers = with maintainers; [ tomahna ];
   };
diff --git a/pkgs/development/tools/check/default.nix b/pkgs/development/tools/check/default.nix
index 107b8b58024..a28124828f9 100644
--- a/pkgs/development/tools/check/default.nix
+++ b/pkgs/development/tools/check/default.nix
@@ -21,7 +21,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with lib; {
-    description = "A set of utilities for checking Go sources.";
+    description = "A set of utilities for checking Go sources";
     homepage = "https://gitlab.com/opennota/check";
     license = licenses.gpl3;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/clj-kondo/default.nix b/pkgs/development/tools/clj-kondo/default.nix
index b7eec641b4b..f64041d1be8 100644
--- a/pkgs/development/tools/clj-kondo/default.nix
+++ b/pkgs/development/tools/clj-kondo/default.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = "A linter for Clojure code that sparks joy.";
+    description = "A linter for Clojure code that sparks joy";
     homepage = "https://github.com/borkdude/clj-kondo";
     license = licenses.epl10;
     platforms = graalvm8.meta.platforms;
diff --git a/pkgs/development/tools/continuous-integration/drone-cli/default.nix b/pkgs/development/tools/continuous-integration/drone-cli/default.nix
index 3df406eb560..66fb878aa26 100644
--- a/pkgs/development/tools/continuous-integration/drone-cli/default.nix
+++ b/pkgs/development/tools/continuous-integration/drone-cli/default.nix
@@ -24,6 +24,6 @@ in buildGoModule rec {
   meta = with stdenv.lib; {
     maintainers = with maintainers; [ bricewge ];
     license = licenses.asl20;
-    description = "Command line client for the Drone continuous integration server.";
+    description = "Command line client for the Drone continuous integration server";
   };
 }
diff --git a/pkgs/development/tools/corundum/default.nix b/pkgs/development/tools/corundum/default.nix
index 3497f709964..62d00cbc376 100644
--- a/pkgs/development/tools/corundum/default.nix
+++ b/pkgs/development/tools/corundum/default.nix
@@ -8,7 +8,7 @@ bundlerApp {
   passthru.updateScript = bundlerUpdateScript "corundum";
 
   meta = with lib; {
-    description = "Tool and libraries for maintaining Ruby gems.";
+    description = "Tool and libraries for maintaining Ruby gems";
     homepage    = "https://github.com/nyarly/corundum";
     license     = licenses.mit;
     maintainers = with maintainers; [ nyarly nicknovitski ];
diff --git a/pkgs/development/tools/deadcode/default.nix b/pkgs/development/tools/deadcode/default.nix
index 44c824b2c1e..516eeff2091 100644
--- a/pkgs/development/tools/deadcode/default.nix
+++ b/pkgs/development/tools/deadcode/default.nix
@@ -22,7 +22,7 @@ buildGoPackage rec {
   };
 
   meta = with lib; {
-    description = "deadcode is a very simple utility which detects unused declarations in a Go package.";
+    description = "deadcode is a very simple utility which detects unused declarations in a Go package";
     homepage = "https://github.com/remyoudompheng/go-misc/tree/master/deadcode";
     license = licenses.bsd3;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/deis/default.nix b/pkgs/development/tools/deis/default.nix
index 9e45d5988cc..4a07a05a636 100644
--- a/pkgs/development/tools/deis/default.nix
+++ b/pkgs/development/tools/deis/default.nix
@@ -27,7 +27,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://deis.io";
-    description = "A command line utility used to interact with the Deis open source PaaS.";
+    description = "A command line utility used to interact with the Deis open source PaaS";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [
diff --git a/pkgs/development/tools/deisctl/default.nix b/pkgs/development/tools/deisctl/default.nix
index 057a8b87a0f..a245a06afe1 100644
--- a/pkgs/development/tools/deisctl/default.nix
+++ b/pkgs/development/tools/deisctl/default.nix
@@ -21,7 +21,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://deis.io";
-    description = "A command-line utility used to provision and operate a Deis cluster.";
+    description = "A command-line utility used to provision and operate a Deis cluster";
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [
diff --git a/pkgs/development/tools/drm_info/default.nix b/pkgs/development/tools/drm_info/default.nix
index 9243bbb161b..c052db92e0c 100644
--- a/pkgs/development/tools/drm_info/default.nix
+++ b/pkgs/development/tools/drm_info/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libdrm json_c pciutils ];
 
   meta = with stdenv.lib; {
-    description = "Small utility to dump info about DRM devices.";
+    description = "Small utility to dump info about DRM devices";
     homepage = "https://github.com/ascent12/drm_info";
     license = licenses.mit;
     maintainers = with maintainers; [ tadeokondrak ];
diff --git a/pkgs/development/tools/ejson/default.nix b/pkgs/development/tools/ejson/default.nix
index 17e3f5f7be1..05deb05ed7e 100644
--- a/pkgs/development/tools/ejson/default.nix
+++ b/pkgs/development/tools/ejson/default.nix
@@ -35,7 +35,7 @@ in buildGoPackage rec {
   '';
 
   meta = with lib; {
-    description = "A small library to manage encrypted secrets using asymmetric encryption.";
+    description = "A small library to manage encrypted secrets using asymmetric encryption";
     license = licenses.mit;
     homepage = "https://github.com/Shopify/ejson";
     platforms = platforms.unix;
diff --git a/pkgs/development/tools/errcheck/default.nix b/pkgs/development/tools/errcheck/default.nix
index d288ff4dfec..01dc924c811 100644
--- a/pkgs/development/tools/errcheck/default.nix
+++ b/pkgs/development/tools/errcheck/default.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with lib; {
-    description = "errcheck is a program for checking for unchecked errors in go programs.";
+    description = "errcheck is a program for checking for unchecked errors in go programs";
     homepage = "https://github.com/kisielk/errcheck";
     license = licenses.mit;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/gdm/default.nix b/pkgs/development/tools/gdm/default.nix
index 2217ea591ff..2f26a1c35f8 100644
--- a/pkgs/development/tools/gdm/default.nix
+++ b/pkgs/development/tools/gdm/default.nix
@@ -16,7 +16,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with stdenv.lib; {
-    description = "Minimalist dependency manager for Go written in Go.";
+    description = "Minimalist dependency manager for Go written in Go";
     homepage = "https://github.com/sparrc/gdm";
     license = licenses.unlicense;
     maintainers = [ maintainers.mic92 ];
diff --git a/pkgs/development/tools/git-ftp/default.nix b/pkgs/development/tools/git-ftp/default.nix
index 7e62a93d564..0c107ecc503 100644
--- a/pkgs/development/tools/git-ftp/default.nix
+++ b/pkgs/development/tools/git-ftp/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   buildInputs = [pandoc man];
 
   meta = with stdenv.lib; {
-    description = "Git powered FTP client written as shell script.";
+    description = "Git powered FTP client written as shell script";
     homepage = "https://git-ftp.github.io/";
     license = licenses.gpl3;
     maintainers = with maintainers; [ tweber ];
diff --git a/pkgs/development/tools/go-migrate/default.nix b/pkgs/development/tools/go-migrate/default.nix
index ee942beb92c..96b66ebc0b5 100644
--- a/pkgs/development/tools/go-migrate/default.nix
+++ b/pkgs/development/tools/go-migrate/default.nix
@@ -17,7 +17,7 @@ buildGoModule rec {
 
   meta = with stdenv.lib; {
     homepage    = "https://github.com/golang-migrate/migrate";
-    description = "Database migrations. CLI and Golang library.";
+    description = "Database migrations. CLI and Golang library";
     maintainers = with maintainers; [ offline ];
     license     = licenses.mit;
   };
diff --git a/pkgs/development/tools/go-outline/default.nix b/pkgs/development/tools/go-outline/default.nix
index 3df1d5cae25..f10ee426c08 100644
--- a/pkgs/development/tools/go-outline/default.nix
+++ b/pkgs/development/tools/go-outline/default.nix
@@ -16,7 +16,7 @@ buildGoPackage rec {
   };
 
   meta = {
-    description = "Utility to extract JSON representation of declarations from a Go source file.";
+    description = "Utility to extract JSON representation of declarations from a Go source file";
     homepage = "https://github.com/ramya-rao-a/go-outline";
     maintainers = with stdenv.lib.maintainers; [ vdemeester ];
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/tools/go-symbols/default.nix b/pkgs/development/tools/go-symbols/default.nix
index bdee5e4b25a..1e2b63ba154 100644
--- a/pkgs/development/tools/go-symbols/default.nix
+++ b/pkgs/development/tools/go-symbols/default.nix
@@ -15,7 +15,7 @@ buildGoPackage rec {
   };
 
   meta = {
-    description = "A utility for extracting a JSON representation of the package symbols from a go source tree.";
+    description = "A utility for extracting a JSON representation of the package symbols from a go source tree";
     homepage = "https://github.com/acroca/go-symbols";
     maintainers = with stdenv.lib.maintainers; [ vdemeester ];
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/tools/goconvey/default.nix b/pkgs/development/tools/goconvey/default.nix
index 4c4d651ce60..173da3ff29d 100644
--- a/pkgs/development/tools/goconvey/default.nix
+++ b/pkgs/development/tools/goconvey/default.nix
@@ -17,7 +17,7 @@ buildGoPackage rec {
   };
 
   meta = {
-    description = "Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.";
+    description = "Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go";
     homepage = "https://github.com/smartystreets/goconvey";
     maintainers = with stdenv.lib.maintainers; [ vdemeester ];
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/tools/gocyclo/default.nix b/pkgs/development/tools/gocyclo/default.nix
index 4ce97349fd7..d11cf609328 100644
--- a/pkgs/development/tools/gocyclo/default.nix
+++ b/pkgs/development/tools/gocyclo/default.nix
@@ -19,7 +19,7 @@ buildGoPackage rec {
   };
 
   meta = with lib; {
-    description = "Calculate cyclomatic complexities of functions in Go source code.";
+    description = "Calculate cyclomatic complexities of functions in Go source code";
     homepage = "https://github.com/alecthomas/gocyclo";
     license = licenses.bsd3;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/gomodifytags/default.nix b/pkgs/development/tools/gomodifytags/default.nix
index cf2c5a5b9a6..70bbc635cc1 100644
--- a/pkgs/development/tools/gomodifytags/default.nix
+++ b/pkgs/development/tools/gomodifytags/default.nix
@@ -16,7 +16,7 @@ buildGoModule rec {
   };
 
   meta = {
-    description = "Go tool to modify struct field tags.";
+    description = "Go tool to modify struct field tags";
     homepage = "https://github.com/fatih/gomodifytags";
     maintainers = with stdenv.lib.maintainers; [ vdemeester ];
     license = stdenv.lib.licenses.bsd3;
diff --git a/pkgs/development/tools/gopkgs/default.nix b/pkgs/development/tools/gopkgs/default.nix
index d112654ab43..8d26ca7eb44 100644
--- a/pkgs/development/tools/gopkgs/default.nix
+++ b/pkgs/development/tools/gopkgs/default.nix
@@ -18,7 +18,7 @@ buildGoModule rec {
   doCheck = false;
 
   meta = {
-    description = "Tool to get list available Go packages.";
+    description = "Tool to get list available Go packages";
     homepage = "https://github.com/uudashr/gopkgs";
     maintainers = with stdenv.lib.maintainers; [ vdemeester ];
     license = stdenv.lib.licenses.mit;
diff --git a/pkgs/development/tools/gore/default.nix b/pkgs/development/tools/gore/default.nix
index fbc3152cef1..ca9c8d9eec0 100644
--- a/pkgs/development/tools/gore/default.nix
+++ b/pkgs/development/tools/gore/default.nix
@@ -16,7 +16,7 @@ buildGoModule rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    description = "Yet another Go REPL that works nicely.";
+    description = "Yet another Go REPL that works nicely";
     homepage = "https://github.com/motemen/gore";
     license = licenses.mit;
     maintainers = with maintainers; [ offline ];
diff --git a/pkgs/development/tools/gotests/default.nix b/pkgs/development/tools/gotests/default.nix
index 13d3c700ce9..43f221bd324 100644
--- a/pkgs/development/tools/gotests/default.nix
+++ b/pkgs/development/tools/gotests/default.nix
@@ -17,7 +17,7 @@ buildGoPackage rec {
   };
 
   meta = {
-    description = "Generate Go tests from your source code.";
+    description = "Generate Go tests from your source code";
     homepage = "https://github.com/cweill/gotests";
     maintainers = with stdenv.lib.maintainers; [ vdemeester ];
     license = stdenv.lib.licenses.asl20;
diff --git a/pkgs/development/tools/impl/default.nix b/pkgs/development/tools/impl/default.nix
index 88b8abd842f..327226fe7a1 100644
--- a/pkgs/development/tools/impl/default.nix
+++ b/pkgs/development/tools/impl/default.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with lib; {
-    description = "impl generates method stubs for implementing an interface.";
+    description = "impl generates method stubs for implementing an interface";
     homepage = "https://github.com/josharian/impl";
     license = licenses.mit;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/ineffassign/default.nix b/pkgs/development/tools/ineffassign/default.nix
index 2be22301cdb..85c643537af 100644
--- a/pkgs/development/tools/ineffassign/default.nix
+++ b/pkgs/development/tools/ineffassign/default.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   };
 
   meta = with lib; {
-    description = "Detect ineffectual assignments in Go code.";
+    description = "Detect ineffectual assignments in Go code";
     homepage = "https://github.com/gordonklaus/ineffassign";
     license = licenses.mit;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/interfacer/default.nix b/pkgs/development/tools/interfacer/default.nix
index ff59ce50482..b7f568f4d2b 100644
--- a/pkgs/development/tools/interfacer/default.nix
+++ b/pkgs/development/tools/interfacer/default.nix
@@ -22,7 +22,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with lib; {
-    description = "A linter that suggests interface types.";
+    description = "A linter that suggests interface types";
     homepage = "https://github.com/mvdan/interfacer";
     license = licenses.bsd3;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/irony-server/default.nix b/pkgs/development/tools/irony-server/default.nix
index 228a82f6008..cc56b27ca2d 100644
--- a/pkgs/development/tools/irony-server/default.nix
+++ b/pkgs/development/tools/irony-server/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
   ];
 
   meta = with stdenv.lib; {
-    description = "The server part of irony.";
+    description = "The server part of irony";
     homepage = "https://melpa.org/#/irony";
     maintainers = [ maintainers.deepfire ];
     platforms = platforms.unix;
diff --git a/pkgs/development/tools/jsduck/default.nix b/pkgs/development/tools/jsduck/default.nix
index 8748fb8e512..233b3933876 100644
--- a/pkgs/development/tools/jsduck/default.nix
+++ b/pkgs/development/tools/jsduck/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   passthru.updateScript = bundlerUpdateScript "jsduck";
 
   meta = with lib; {
-    description = "Simple JavaScript Duckumentation generator.";
+    description = "Simple JavaScript Duckumentation generator";
     homepage    = "https://github.com/senchalabs/jsduck";
     license     = with licenses; gpl3;
     maintainers = with maintainers; [ periklis nicknovitski ];
diff --git a/pkgs/development/tools/knightos/scas/default.nix b/pkgs/development/tools/knightos/scas/default.nix
index ad21e68eed8..2269c3781a5 100644
--- a/pkgs/development/tools/knightos/scas/default.nix
+++ b/pkgs/development/tools/knightos/scas/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage    = "https://knightos.org/";
-    description = "Assembler and linker for the Z80.";
+    description = "Assembler and linker for the Z80";
     license     = licenses.mit;
     maintainers = with maintainers; [ siraben ];
   };
diff --git a/pkgs/development/tools/kythe/default.nix b/pkgs/development/tools/kythe/default.nix
index e9748d6e45e..601634b3184 100644
--- a/pkgs/development/tools/kythe/default.nix
+++ b/pkgs/development/tools/kythe/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A pluggable, (mostly) language-agnostic ecosystem for building tools that work with code.";
+    description = "A pluggable, (mostly) language-agnostic ecosystem for building tools that work with code";
     longDescription = ''
     The Kythe project was founded to provide and support tools and standards
       that encourage interoperability among programs that manipulate source
diff --git a/pkgs/development/tools/librarian-puppet-go/default.nix b/pkgs/development/tools/librarian-puppet-go/default.nix
index 7f40824c472..6144b533d6d 100644
--- a/pkgs/development/tools/librarian-puppet-go/default.nix
+++ b/pkgs/development/tools/librarian-puppet-go/default.nix
@@ -17,7 +17,7 @@ buildGoPackage rec {
 
   meta = with lib; {
     inherit (src.meta) homepage;
-    description = "librarian-puppet implementation in go.";
+    description = "librarian-puppet implementation in go";
     license = licenses.mit;
     maintainers = with maintainers; [ womfoo ];
     platforms = [ "x86_64-linux" ];
diff --git a/pkgs/development/tools/maligned/default.nix b/pkgs/development/tools/maligned/default.nix
index 15d14df3ff7..06cd23e40f4 100644
--- a/pkgs/development/tools/maligned/default.nix
+++ b/pkgs/development/tools/maligned/default.nix
@@ -21,7 +21,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with lib; {
-    description = "Tool to detect Go structs that would take less memory if their fields were sorted.";
+    description = "Tool to detect Go structs that would take less memory if their fields were sorted";
     homepage = "https://github.com/mdempsky/maligned";
     license = licenses.bsd3;
     maintainers = with maintainers; [ kalbasit ];
diff --git a/pkgs/development/tools/minizinc/default.nix b/pkgs/development/tools/minizinc/default.nix
index 8cd4fc9f7f4..bf182a1ae41 100644
--- a/pkgs/development/tools/minizinc/default.nix
+++ b/pkgs/development/tools/minizinc/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = "https://www.minizinc.org/";
-    description = "MiniZinc is a medium-level constraint modelling language.";
+    description = "MiniZinc is a medium-level constraint modelling language";
 
     longDescription = ''
       MiniZinc is a medium-level constraint modelling
diff --git a/pkgs/development/tools/misc/bsdbuild/default.nix b/pkgs/development/tools/misc/bsdbuild/default.nix
index 35406c48534..6ba8064c094 100644
--- a/pkgs/development/tools/misc/bsdbuild/default.nix
+++ b/pkgs/development/tools/misc/bsdbuild/default.nix
@@ -49,7 +49,7 @@ EOF
 
   meta = {
     homepage = "http://bsdbuild.hypertriton.com";
-    description = "A cross-platform build system.";
+    description = "A cross-platform build system";
 
     longDescription = ''
       BSDBuild is a cross-platform build system. Derived from the
diff --git a/pkgs/development/tools/misc/tockloader/default.nix b/pkgs/development/tools/misc/tockloader/default.nix
index 298e6f7c9d5..3aff6c6d36c 100644
--- a/pkgs/development/tools/misc/tockloader/default.nix
+++ b/pkgs/development/tools/misc/tockloader/default.nix
@@ -20,7 +20,7 @@ python3Packages.buildPythonApplication rec {
   meta = with lib; {
     homepage = "https://github.com/tock/tockloader";
     license = licenses.mit;
-    description = "Tool for programming Tock onto hardware boards.";
+    description = "Tool for programming Tock onto hardware boards";
     maintainers = with maintainers; [ hexa ];
   };
 }
diff --git a/pkgs/development/tools/mockgen/default.nix b/pkgs/development/tools/mockgen/default.nix
index def5e892e2f..104988eb213 100644
--- a/pkgs/development/tools/mockgen/default.nix
+++ b/pkgs/development/tools/mockgen/default.nix
@@ -15,7 +15,7 @@ buildGoModule rec {
   subPackages = [ "mockgen" ];
 
   meta = with lib; {
-    description = "GoMock is a mocking framework for the Go programming language.";
+    description = "GoMock is a mocking framework for the Go programming language";
     homepage = "https://github.com/golang/mock";
     license = licenses.asl20;
     maintainers = with maintainers; [ bouk ];
diff --git a/pkgs/development/tools/operator-sdk/default.nix b/pkgs/development/tools/operator-sdk/default.nix
index 79baecd74f5..c803207f88a 100644
--- a/pkgs/development/tools/operator-sdk/default.nix
+++ b/pkgs/development/tools/operator-sdk/default.nix
@@ -26,7 +26,7 @@ buildGoModule rec {
   '';
 
   meta = with lib; {
-    description = "SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding.";
+    description = "SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding";
     homepage = "https://github.com/operator-framework/operator-sdk";
     license = licenses.asl20;
     maintainers = with maintainers; [ arnarg ];
diff --git a/pkgs/development/tools/parinfer-rust/default.nix b/pkgs/development/tools/parinfer-rust/default.nix
index f1627c7ed39..f697e00b56a 100644
--- a/pkgs/development/tools/parinfer-rust/default.nix
+++ b/pkgs/development/tools/parinfer-rust/default.nix
@@ -28,7 +28,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Infer parentheses for Clojure, Lisp, and Scheme.";
+    description = "Infer parentheses for Clojure, Lisp, and Scheme";
     homepage = "https://github.com/eraserhd/parinfer-rust";
     license = licenses.isc;
     maintainers = with maintainers; [ eraserhd ];
diff --git a/pkgs/development/tools/pax-rs/default.nix b/pkgs/development/tools/pax-rs/default.nix
index 72516fb7d17..6aa38104bca 100644
--- a/pkgs/development/tools/pax-rs/default.nix
+++ b/pkgs/development/tools/pax-rs/default.nix
@@ -6,7 +6,7 @@ buildRustPackage rec {
   version = "0.4.0";
 
   meta = with stdenv.lib; {
-    description = "The fastest JavaScript bundler in the galaxy.";
+    description = "The fastest JavaScript bundler in the galaxy";
     longDescription = ''
       The fastest JavaScript bundler in the galaxy. Fully supports ECMAScript module syntax (import/export) in addition to CommonJS require(<string>).
     '';
diff --git a/pkgs/development/tools/richgo/default.nix b/pkgs/development/tools/richgo/default.nix
index e6478086f79..441c0d8bdf1 100644
--- a/pkgs/development/tools/richgo/default.nix
+++ b/pkgs/development/tools/richgo/default.nix
@@ -18,7 +18,7 @@ buildGoModule rec {
   subPackages = [ "." ];
 
   meta = with stdenv.lib; {
-    description = "Enrich `go test` outputs with text decorations.";
+    description = "Enrich `go test` outputs with text decorations";
     homepage = "https://github.com/kyoh86/richgo";
     license = licenses.mit;
     maintainers = with maintainers; [ rvolosatovs ];
diff --git a/pkgs/development/tools/rust/bindgen/default.nix b/pkgs/development/tools/rust/bindgen/default.nix
index cc1bf1c7476..0c476a58e3d 100644
--- a/pkgs/development/tools/rust/bindgen/default.nix
+++ b/pkgs/development/tools/rust/bindgen/default.nix
@@ -51,7 +51,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Automatically generates Rust FFI bindings to C (and some C++) libraries.";
+    description = "Automatically generates Rust FFI bindings to C (and some C++) libraries";
     longDescription = ''
       Bindgen takes a c or c++ header file and turns them into
       rust ffi declarations.
diff --git a/pkgs/development/tools/rust/cargo-embed/default.nix b/pkgs/development/tools/rust/cargo-embed/default.nix
index dafcd1ded2f..a9c18b021bf 100644
--- a/pkgs/development/tools/rust/cargo-embed/default.nix
+++ b/pkgs/development/tools/rust/cargo-embed/default.nix
@@ -19,7 +19,7 @@ rustPlatform.buildRustPackage rec {
   buildInputs = [ libusb1 ];
 
   meta = with lib; {
-    description = "A cargo extension for working with microcontrollers.";
+    description = "A cargo extension for working with microcontrollers";
     homepage = "http://probe.rs/";
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ fooker ];
diff --git a/pkgs/development/tools/rust/cargo-flash/default.nix b/pkgs/development/tools/rust/cargo-flash/default.nix
index d4844de21a0..e5d23c9258c 100644
--- a/pkgs/development/tools/rust/cargo-flash/default.nix
+++ b/pkgs/development/tools/rust/cargo-flash/default.nix
@@ -19,7 +19,7 @@ rustPlatform.buildRustPackage rec {
   buildInputs = [ libusb1 ];
 
   meta = with lib; {
-    description = "A cargo extension for working with microcontrollers.";
+    description = "A cargo extension for working with microcontrollers";
     homepage = "http://probe.rs/";
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ fooker ];
diff --git a/pkgs/development/tools/rust/cargo-geiger/default.nix b/pkgs/development/tools/rust/cargo-geiger/default.nix
index d30c3ad6292..1e79a720a52 100644
--- a/pkgs/development/tools/rust/cargo-geiger/default.nix
+++ b/pkgs/development/tools/rust/cargo-geiger/default.nix
@@ -46,7 +46,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = with lib; {
-    description = "Detects usage of unsafe Rust in a Rust crate and its dependencies.";
+    description = "Detects usage of unsafe Rust in a Rust crate and its dependencies";
     homepage = "https://github.com/rust-secure-code/cargo-geiger";
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ evanjs ];
diff --git a/pkgs/development/tools/setupcfg2nix/default.nix b/pkgs/development/tools/setupcfg2nix/default.nix
index 9762862cf61..4cc1ec320cc 100644
--- a/pkgs/development/tools/setupcfg2nix/default.nix
+++ b/pkgs/development/tools/setupcfg2nix/default.nix
@@ -10,7 +10,7 @@ buildSetupcfg rec {
   };
   application = true;
   meta = {
-    description = "Generate nix expressions from setup.cfg for a python package.";
+    description = "Generate nix expressions from setup.cfg for a python package";
     homepage = "https://github.com/target/setupcfg2nix";
     license = lib.licenses.mit;
     platforms = lib.platforms.all;
diff --git a/pkgs/development/tools/systemfd/default.nix b/pkgs/development/tools/systemfd/default.nix
index a0037050b65..c25f0491c67 100644
--- a/pkgs/development/tools/systemfd/default.nix
+++ b/pkgs/development/tools/systemfd/default.nix
@@ -8,7 +8,7 @@
   crateOverrides = defaultCrateOverrides // {
     systemfd = attrs: {
         meta = {
-          description = "A convenient helper for passing sockets into another process.";
+          description = "A convenient helper for passing sockets into another process";
           homepage = "https://github.com/mitsuhiko/systemfd";
           license = lib.licenses.asl20;
           maintainers = [ lib.maintainers.adisbladis ];
diff --git a/pkgs/development/tools/toxiproxy/default.nix b/pkgs/development/tools/toxiproxy/default.nix
index 3587454b84b..448c14ffaf1 100644
--- a/pkgs/development/tools/toxiproxy/default.nix
+++ b/pkgs/development/tools/toxiproxy/default.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   '';
 
   meta = {
-    description = "Proxy for for simulating network conditions.";
+    description = "Proxy for for simulating network conditions";
     maintainers = with lib.maintainers; [ avnik ];
     license = lib.licenses.mit;
   };
diff --git a/pkgs/development/tools/tracy/default.nix b/pkgs/development/tools/tracy/default.nix
index d0d2cbd79e2..5839a7771d0 100644
--- a/pkgs/development/tools/tracy/default.nix
+++ b/pkgs/development/tools/tracy/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A real time, nanosecond resolution, remote telemetry frame profiler for games and other applications.";
+    description = "A real time, nanosecond resolution, remote telemetry frame profiler for games and other applications";
     homepage = "https://github.com/wolfpld/tracy";
     platforms = platforms.linux ++ platforms.darwin;
     license = licenses.bsd3;
diff --git a/pkgs/development/tools/tychus/default.nix b/pkgs/development/tools/tychus/default.nix
index 5eb6dd09789..edd428480a0 100644
--- a/pkgs/development/tools/tychus/default.nix
+++ b/pkgs/development/tools/tychus/default.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   buildFlags = [ "--tags" "release" ];
 
   meta = {
-    description = "Command line utility to live-reload your application.";
+    description = "Command line utility to live-reload your application";
     homepage = "https://github.com/devlocker/tychus";
     license = stdenv.lib.licenses.mit;
   };
diff --git a/pkgs/development/tools/vogl/default.nix b/pkgs/development/tools/vogl/default.nix
index 7821c34bb17..5c3b2abe4a4 100644
--- a/pkgs/development/tools/vogl/default.nix
+++ b/pkgs/development/tools/vogl/default.nix
@@ -47,7 +47,7 @@ mkDerivation {
   ];
 
   meta = with lib; {
-    description = "OpenGL capture / playback debugger.";
+    description = "OpenGL capture / playback debugger";
     homepage = "https://github.com/ValveSoftware/vogl";
     license = licenses.mit;
     maintainers = [ maintainers.deepfire ];
diff --git a/pkgs/development/tools/xqilla/default.nix b/pkgs/development/tools/xqilla/default.nix
index 44a7254a3d7..7d8029ee1f1 100644
--- a/pkgs/development/tools/xqilla/default.nix
+++ b/pkgs/development/tools/xqilla/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--with-xerces=${xercesc}" ];
 
   meta = with stdenv.lib; {
-    description = "XQilla is an XQuery and XPath 2 library and command line utility written in C++, implemented on top of the Xerces-C library.";
+    description = "XQilla is an XQuery and XPath 2 library and command line utility written in C++, implemented on top of the Xerces-C library";
     license     = licenses.asl20 ;
     maintainers = with maintainers; [ obadz ];
     platforms   = platforms.all;
diff --git a/pkgs/games/fltrator/default.nix b/pkgs/games/fltrator/default.nix
index 7cf16e0783e..e01a3f9fb9c 100644
--- a/pkgs/games/fltrator/default.nix
+++ b/pkgs/games/fltrator/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A simple retro style arcade side-scroller game.";
+    description = "A simple retro style arcade side-scroller game";
     longDescription = '' FLTrator is a simple retro style arcade side-scroller game in which you steer a spaceship through a landscape with hostile rockets and other obstacles.
     It has ten different levels and a level editor to create new levels or modify the existing.''; # from https://libregamewiki.org/FLTrator
     homepage = "http://fltrator.sourceforge.net/";
diff --git a/pkgs/games/frotz/default.nix b/pkgs/games/frotz/default.nix
index 800da177a3d..6ff163105da 100644
--- a/pkgs/games/frotz/default.nix
+++ b/pkgs/games/frotz/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     homepage = "https://davidgriffith.gitlab.io/frotz/";
     changelog = "https://gitlab.com/DavidGriffith/frotz/-/raw/${version}/NEWS";
-    description = "A z-machine interpreter for Infocom games and other interactive fiction.";
+    description = "A z-machine interpreter for Infocom games and other interactive fiction";
     platforms = platforms.unix;
     maintainers = with maintainers; [ nicknovitski  ddelabru ];
     license = licenses.gpl2;
diff --git a/pkgs/games/gtetrinet/default.nix b/pkgs/games/gtetrinet/default.nix
index 824e7afd734..f3cc9ab0006 100644
--- a/pkgs/games/gtetrinet/default.nix
+++ b/pkgs/games/gtetrinet/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
   enableParallelBuilding = true;
 
   meta = {
-    description = "Client for Tetrinet, a multiplayer online Tetris game.";
+    description = "Client for Tetrinet, a multiplayer online Tetris game";
     longDescription = ''
       GTetrinet is a client program for Tetrinet, a multiplayer tetris game
       that is played over the internet.
diff --git a/pkgs/games/opendungeons/default.nix b/pkgs/games/opendungeons/default.nix
index 467c782211f..64b6c07f4a2 100644
--- a/pkgs/games/opendungeons/default.nix
+++ b/pkgs/games/opendungeons/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   NIX_LDFLAGS = "-lpthread";
 
   meta = with stdenv.lib; {
-    description = "An open source, real time strategy game sharing game elements with the Dungeon Keeper series and Evil Genius.";
+    description = "An open source, real time strategy game sharing game elements with the Dungeon Keeper series and Evil Genius";
     homepage = "https://opendungeons.github.io";
     license = [ licenses.gpl3Plus licenses.zlib licenses.mit licenses.cc-by-sa-30 licenses.cc0 licenses.ofl licenses.cc-by-30 ];
     platforms = platforms.linux;
diff --git a/pkgs/games/pacvim/default.nix b/pkgs/games/pacvim/default.nix
index d7805ad66fb..4692c360378 100644
--- a/pkgs/games/pacvim/default.nix
+++ b/pkgs/games/pacvim/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/jmoon018/PacVim";
-    description = "PacVim is a game that teaches you vim commands.";
+    description = "PacVim is a game that teaches you vim commands";
     maintainers = with maintainers; [ infinisil ];
     license = licenses.lgpl3;
     platforms = platforms.unix;
diff --git a/pkgs/games/redeclipse/default.nix b/pkgs/games/redeclipse/default.nix
index fc6f50ef97e..d99d7ccb1d9 100644
--- a/pkgs/games/redeclipse/default.nix
+++ b/pkgs/games/redeclipse/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A first person arena shooter, featuring parkour, impulse boosts, and more.";
+    description = "A first person arena shooter, featuring parkour, impulse boosts, and more";
     longDescription = ''
       Red Eclipse is a fun-filled new take on the first person arena shooter,
       featuring parkour, impulse boosts, and more. The development is geared
diff --git a/pkgs/games/t4kcommon/default.nix b/pkgs/games/t4kcommon/default.nix
index f2e226cb570..997ce72db33 100644
--- a/pkgs/games/t4kcommon/default.nix
+++ b/pkgs/games/t4kcommon/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ SDL SDL_image SDL_mixer SDL_net SDL_ttf libpng librsvg libxml2 ];
 
   meta = with stdenv.lib; {
-    description = "A library of code shared between tuxmath and tuxtype.";
+    description = "A library of code shared between tuxmath and tuxtype";
     homepage = "https://github.com/tux4kids/t4kcommon";
     license = licenses.gpl3Plus;
     maintainers = [ maintainers.aanderse ];
diff --git a/pkgs/games/xbill/default.nix b/pkgs/games/xbill/default.nix
index 8a6d4cf14cd..f021d9ac7a7 100644
--- a/pkgs/games/xbill/default.nix
+++ b/pkgs/games/xbill/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv; {
-    description = "Protect a computer network from getting infected.";
+    description = "Protect a computer network from getting infected";
     homepage = "http://www.xbill.org/";
     license = lib.licenses.gpl1;
     maintainers = with lib.maintainers; [ aw ];
diff --git a/pkgs/misc/cups/drivers/cnijfilter2/default.nix b/pkgs/misc/cups/drivers/cnijfilter2/default.nix
index b04ef89d215..ce11f4a0551 100644
--- a/pkgs/misc/cups/drivers/cnijfilter2/default.nix
+++ b/pkgs/misc/cups/drivers/cnijfilter2/default.nix
@@ -114,7 +114,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with lib; {
-    description = "Canon InkJet printer drivers for the MG7500, MG6700, MG6600, MG5600, MG2900, MB2000, MB2300, iB4000, MB5000, MB5300, iP110, E450, MX490, E480, MG7700, MG6900, MG6800, MG5700, MG3600, and G3000 series.";
+    description = "Canon InkJet printer drivers for the MG7500, MG6700, MG6600, MG5600, MG2900, MB2000, MB2300, iB4000, MB5000, MB5300, iP110, E450, MX490, E480, MG7700, MG6900, MG6800, MG5700, MG3600, and G3000 series";
     homepage = "http://support-th.canon-asia.com/contents/TH/EN/0100712901.html";
     license = licenses.unfree;
     platforms = platforms.linux;
diff --git a/pkgs/misc/cups/drivers/cnijfilter_4_00/default.nix b/pkgs/misc/cups/drivers/cnijfilter_4_00/default.nix
index 9b328c20b71..f6504b598cb 100644
--- a/pkgs/misc/cups/drivers/cnijfilter_4_00/default.nix
+++ b/pkgs/misc/cups/drivers/cnijfilter_4_00/default.nix
@@ -141,7 +141,7 @@ in stdenv.mkDerivation {
   dontPatchELF = true;
 
   meta = with lib; {
-    description = "Canon InkJet printer drivers for the MG2400 MG2500 MG3500 MG5500 MG6400 MG6500 MG7100 and P200 series.";
+    description = "Canon InkJet printer drivers for the MG2400 MG2500 MG3500 MG5500 MG6400 MG6500 MG7100 and P200 series";
     homepage = "https://www.canon-europe.com/support/consumer_products/products/fax__multifunctionals/inkjet/pixma_mg_series/pixma_mg5550.aspx?type=drivers&driverdetailid=tcm:13-1094072";
     license = licenses.unfree;
     platforms = platforms.linux;
diff --git a/pkgs/misc/documentation-highlighter/default.nix b/pkgs/misc/documentation-highlighter/default.nix
index 72f1da6b0de..16b47d01f24 100644
--- a/pkgs/misc/documentation-highlighter/default.nix
+++ b/pkgs/misc/documentation-highlighter/default.nix
@@ -1,7 +1,7 @@
 { stdenv, runCommand }:
 runCommand "documentation-highlighter" {
   meta = {
-    description = "Highlight.js sources for the Nix Ecosystem's documentation.";
+    description = "Highlight.js sources for the Nix Ecosystem's documentation";
     homepage = "https://highlightjs.org";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.all;
diff --git a/pkgs/misc/drivers/epkowa/default.nix b/pkgs/misc/drivers/epkowa/default.nix
index 6016cc779f1..eb88476432b 100644
--- a/pkgs/misc/drivers/epkowa/default.nix
+++ b/pkgs/misc/drivers/epkowa/default.nix
@@ -1,20 +1,27 @@
-{stdenv, fetchurl, fetchpatch, makeWrapper, symlinkJoin,
-pkgconfig, libtool,
-gtk2,
-libxml2,
-libxslt,
-libusb-compat-0_1,
-sane-backends,
-rpm, cpio,
-getopt,
-patchelf, autoPatchelfHook, gcc
+{ stdenv
+, fetchurl
+, fetchpatch
+, makeWrapper
+, symlinkJoin
+, pkgconfig
+, libtool
+, gtk2
+, libxml2
+, libxslt
+, libusb-compat-0_1
+, sane-backends
+, rpm
+, cpio
+, getopt
+, patchelf
+, autoPatchelfHook
+, gcc
 }:
-
 let common_meta = {
-    homepage = "http://download.ebz.epson.net/dsc/search/01/search/?OSC=LX";
-    license = with stdenv.lib.licenses; epson;
-    platforms = with stdenv.lib.platforms; linux;
-   };
+  homepage = "http://download.ebz.epson.net/dsc/search/01/search/?OSC=LX";
+  license = with stdenv.lib.licenses; epson;
+  platforms = with stdenv.lib.platforms; linux;
+};
 in
 ############################
 #
@@ -23,7 +30,6 @@ in
 ############################
 
 # adding a plugin for another printer shouldn't be too difficult, but you need the firmware to test...
-
 let plugins = {
   v330 = stdenv.mkDerivation rec {
     name = "iscan-v330-bundle";
@@ -33,7 +39,7 @@ let plugins = {
       # To find new versions, visit
       # http://download.ebz.epson.net/dsc/search/01/search/?OSC=LX and search for
       # some printer like for instance "WF-7210" to get to the most recent
-      # version.  
+      # version.
       # NOTE: Don't forget to update the webarchive link too!
       urls = [
         "https://download2.ebz.epson.net/iscan/plugin/perfection-v330/rpm/x64/iscan-perfection-v330-bundle-${version}.x64.rpm.tar.gz"
@@ -49,17 +55,17 @@ let plugins = {
       mkdir $out{,/share,/lib}
       cp -r ./usr/share/{iscan-data,esci}/ $out/share/
       cp -r ./usr/lib64/esci $out/lib
-      '';
+    '';
 
     passthru = {
       registrationCommand = ''
         $registry --add interpreter usb 0x04b8 0x0142 "$plugin/lib/esci/libesci-interpreter-perfection-v330 $plugin/share/esci/esfwad.bin"
-        '';
+      '';
       hw = "Perfection V330 Photo";
-      };
-    meta = common_meta // { description = "Plugin to support "+passthru.hw+" scanner in sane."; };
+    };
+    meta = common_meta // { description = "Plugin to support " + passthru.hw + " scanner in sane"; };
   };
-  x770 =   stdenv.mkDerivation rec {
+  x770 = stdenv.mkDerivation rec {
     pname = "iscan-gt-x770-bundle";
     version = "2.30.4";
 
@@ -79,20 +85,20 @@ let plugins = {
       cp -r usr/lib64 $out/lib
       mv $out/share/iscan $out/share/esci
       mv $out/lib/iscan $out/lib/esci
-      '';
+    '';
     passthru = {
       registrationCommand = ''
         $registry --add interpreter usb 0x04b8 0x0130 "$plugin/lib/esci/libesint7C $plugin/share/esci/esfw7C.bin"
-        '';
+      '';
       hw = "Perfection V500 Photo";
-      };
-    meta = common_meta // { description = "iscan esci x770 plugin for "+passthru.hw; };
     };
+    meta = common_meta // { description = "iscan esci x770 plugin for " + passthru.hw; };
+  };
   f720 = stdenv.mkDerivation rec {
     pname = "iscan-gt-f720-bundle";
     version = "2.30.4";
 
-    nativeBuildInputs= [ autoPatchelfHook ];
+    nativeBuildInputs = [ autoPatchelfHook ];
     buildInputs = [ gcc.cc.lib ];
     src = fetchurl {
       urls = [
@@ -107,16 +113,16 @@ let plugins = {
       mkdir $out
       cp -r usr/share $out
       cp -r usr/lib64 $out/lib
-      '';
+    '';
 
     passthru = {
       registrationCommand = ''
         $registry --add interpreter usb 0x04b8 0x0131 "$plugin/lib/esci/libesci-interpreter-gt-f720 $plugin/share/esci/esfw8b.bin"
-        '';
+      '';
       hw = "GT-F720, GT-S620, Perfection V30, Perfection V300 Photo";
-      };
+    };
 
-    meta = common_meta // { description = "iscan esci f720 plugin for "+passthru.hw; };
+    meta = common_meta // { description = "iscan esci f720 plugin for " + passthru.hw; };
   };
   s80 = stdenv.mkDerivation rec {
     pname = "iscan-gt-s80-bundle";
@@ -139,7 +145,7 @@ let plugins = {
       cp -r usr/share $out
       cp -r usr/lib64 $out/lib
       mkdir $out/share/esci
-      '';
+    '';
 
     passthru = {
       registrationCommand = ''
@@ -147,11 +153,11 @@ let plugins = {
         $registry --add interpreter usb 0x04b8 0x0137 "$plugin/lib/esci/libesci-interpreter-gt-s50.so"
         $registry --add interpreter usb 0x04b8 0x0143 "$plugin/lib/esci/libesci-interpreter-gt-s50.so"
         $registry --add interpreter usb 0x04b8 0x0144 "$plugin/lib/esci/libesci-interpreter-gt-s80.so"
-        '';
+      '';
       hw = "ES-D200, ED-D350, ES-D400, GT-S50, GT-S55, GT-S80, GT-S85";
-      };
+    };
 
-    meta = common_meta // { description = "iscan esci s80 plugin for "+passthru.hw; };
+    meta = common_meta // { description = "iscan esci s80 plugin for " + passthru.hw; };
   };
   s650 = stdenv.mkDerivation rec {
     name = "iscan-gt-s650-bundle";
@@ -175,16 +181,16 @@ let plugins = {
       cp -r usr/lib64 $out/lib
       mv $out/share/iscan $out/share/esci
       mv $out/lib/iscan $out/lib/esci
-      '';
+    '';
 
     passthru = {
       registrationCommand = ''
         $registry --add interpreter usb 0x04b8 0x013c "$plugin/lib/esci/libiscan-plugin-gt-s650 $plugin/share/esci/esfw010c.bin"
         $registry --add interpreter usb 0x04b8 0x013d "$plugin/lib/esci/libiscan-plugin-gt-s650 $plugin/share/esci/esfw010c.bin"
-        '';
+      '';
       hw = "GT-S650, Perfection V19, Perfection V39";
     };
-    meta = common_meta // { description = "iscan GT-S650 for "+passthru.hw; };
+    meta = common_meta // { description = "iscan GT-S650 for " + passthru.hw; };
   };
   network = stdenv.mkDerivation rec {
     pname = "iscan-nt-bundle";
@@ -209,7 +215,7 @@ let plugins = {
       cp -r usr/share $out
       cp -r usr/lib64 $out/lib
       mkdir $out/share/esci
-      '';
+    '';
     passthru = {
       registrationCommand = "";
       hw = "network";
@@ -219,9 +225,6 @@ let plugins = {
   };
 };
 in
-
-
-
 let fwdir = symlinkJoin {
   name = "esci-firmware-dir";
   paths = stdenv.lib.mapAttrsToList (name: value: value + /share/esci) plugins;
@@ -278,14 +281,14 @@ stdenv.mkDerivation rec {
     })
     ./firmware_location.patch
     ./sscanf.patch
-    ];
+  ];
   patchFlags = [ "-p0" ];
 
-  configureFlags = [ "--enable-dependency-reduction" "--disable-frontend"];
+  configureFlags = [ "--enable-dependency-reduction" "--disable-frontend" ];
 
   postConfigure = ''
     echo '#define NIX_ESCI_PREFIX "'${fwdir}'"' >> config.h
-    '';
+  '';
 
   postInstall = ''
     mkdir -p $out/etc/sane.d
@@ -294,18 +297,20 @@ stdenv.mkDerivation rec {
     ln -s ${iscan-data}/share/iscan-data $out/share/iscan-data
     mkdir -p $out/lib/iscan
     ln -s ${plugins.network}/lib/iscan/network $out/lib/iscan/network
-    '';
+  '';
   postFixup = ''
     # iscan-registry is a shell script requiring getopt
     wrapProgram $out/bin/iscan-registry --prefix PATH : ${getopt}/bin
     registry=$out/bin/iscan-registry;
-    '' +
-    stdenv.lib.concatStrings (stdenv.lib.mapAttrsToList (name: value: ''
-    plugin=${value};
-    ${value.passthru.registrationCommand}
-    '') plugins);
+  '' +
+  stdenv.lib.concatStrings (stdenv.lib.mapAttrsToList
+    (name: value: ''
+      plugin=${value};
+      ${value.passthru.registrationCommand}
+    '')
+    plugins);
   meta = common_meta // {
-    description = "sane-epkowa backend for some epson scanners.";
+    description = "sane-epkowa backend for some epson scanners";
     longDescription = ''
       Includes gui-less iscan (aka. Image Scan! for Linux).
       Supported hardware: at least :
diff --git a/pkgs/misc/emulators/np2kai/default.nix b/pkgs/misc/emulators/np2kai/default.nix
index 245bad1d535..0ed47af8f5b 100644
--- a/pkgs/misc/emulators/np2kai/default.nix
+++ b/pkgs/misc/emulators/np2kai/default.nix
@@ -187,7 +187,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with lib; {
-    description = "A PC-9801 series emulator.";
+    description = "A PC-9801 series emulator";
     homepage = "https://github.com/AZO234/NP2kai";
     license = licenses.mit;
     maintainers = with maintainers; [ OPNA2608 ];
diff --git a/pkgs/misc/hdt/default.nix b/pkgs/misc/hdt/default.nix
index 8a4c7c3e6f5..a8cf5c5d4d3 100644
--- a/pkgs/misc/hdt/default.nix
+++ b/pkgs/misc/hdt/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "http://www.rdfhdt.org/";
-    description = "Header Dictionary Triples (HDT) is a compression format for RDF data that can also be queried for Triple Patterns.";
+    description = "Header Dictionary Triples (HDT) is a compression format for RDF data that can also be queried for Triple Patterns";
     license = licenses.lgpl21;
     platforms = platforms.linux;
     maintainers = [ maintainers.koslambrou ];
diff --git a/pkgs/misc/riscv-pk/default.nix b/pkgs/misc/riscv-pk/default.nix
index 3e1f63e5e30..6ef50a33a5b 100644
--- a/pkgs/misc/riscv-pk/default.nix
+++ b/pkgs/misc/riscv-pk/default.nix
@@ -33,7 +33,7 @@ in stdenv.mkDerivation {
   '';
 
   meta = {
-    description = "RISC-V Proxy Kernel and Bootloader.";
+    description = "RISC-V Proxy Kernel and Bootloader";
     homepage = "https://github.com/riscv/riscv-pk";
     license = stdenv.lib.licenses.bsd3;
     platforms = stdenv.lib.platforms.riscv;
diff --git a/pkgs/misc/screensavers/betterlockscreen/default.nix b/pkgs/misc/screensavers/betterlockscreen/default.nix
index 36f89819570..735a2cd3b76 100644
--- a/pkgs/misc/screensavers/betterlockscreen/default.nix
+++ b/pkgs/misc/screensavers/betterlockscreen/default.nix
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
     '';
 
   meta = with stdenv.lib; {
-    description = "Betterlockscreen is a simple minimal lock screen which allows you to cache images with different filters and lockscreen with blazing speed.";
+    description = "Betterlockscreen is a simple minimal lock screen which allows you to cache images with different filters and lockscreen with blazing speed";
     homepage = "https://github.com/pavanjadhaw/betterlockscreen";
     license = licenses.mit;
     platforms = platforms.linux;
diff --git a/pkgs/misc/screensavers/i3lock-pixeled/default.nix b/pkgs/misc/screensavers/i3lock-pixeled/default.nix
index 5ffe5f72265..39497917755 100644
--- a/pkgs/misc/screensavers/i3lock-pixeled/default.nix
+++ b/pkgs/misc/screensavers/i3lock-pixeled/default.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Simple i3lock helper which pixels a screenshot by scaling it down and up to get a pixeled version of the screen when the lock is active.";
+    description = "Simple i3lock helper which pixels a screenshot by scaling it down and up to get a pixeled version of the screen when the lock is active";
     homepage = "https://gitlab.com/Ma27/i3lock-pixeled";
     license = licenses.mit;
     platforms = platforms.linux;
diff --git a/pkgs/misc/screensavers/xautolock/default.nix b/pkgs/misc/screensavers/xautolock/default.nix
index cefcdbc75a3..d46f772e495 100644
--- a/pkgs/misc/screensavers/xautolock/default.nix
+++ b/pkgs/misc/screensavers/xautolock/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   installTargets = [ "install" "install.man" ];
 
   meta = with stdenv.lib; {
-    description = "Launch a given program when your X session has been idle for a given time.";
+    description = "Launch a given program when your X session has been idle for a given time";
     homepage = "http://www.ibiblio.org/pub/linux/X11/screensavers";
     maintainers = with maintainers; [ peti ];
     platforms = platforms.linux;
diff --git a/pkgs/os-specific/darwin/osxsnarf/default.nix b/pkgs/os-specific/darwin/osxsnarf/default.nix
index d9a0de6c7f1..e31271ed2b9 100644
--- a/pkgs/os-specific/darwin/osxsnarf/default.nix
+++ b/pkgs/os-specific/darwin/osxsnarf/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "prefix=${placeholder "out"}" ];
 
   meta = with lib; {
-    description = "A Plan 9-inspired way to share your OS X clipboard.";
+    description = "A Plan 9-inspired way to share your OS X clipboard";
     homepage = "https://github.com/eraserhd/osxsnarf";
     license = licenses.unlicense;
     platforms = platforms.darwin;
diff --git a/pkgs/os-specific/linux/cpuset/default.nix b/pkgs/os-specific/linux/cpuset/default.nix
index 0a9b38f2888..57cffe5f9e0 100644
--- a/pkgs/os-specific/linux/cpuset/default.nix
+++ b/pkgs/os-specific/linux/cpuset/default.nix
@@ -19,7 +19,7 @@ python2Packages.buildPythonApplication rec {
   };
 
   meta = with stdenv.lib; {
-    description = "Cpuset is a Python application that forms a wrapper around the standard Linux filesystem calls to make using the cpusets facilities in the Linux kernel easier.";
+    description = "Cpuset is a Python application that forms a wrapper around the standard Linux filesystem calls to make using the cpusets facilities in the Linux kernel easier";
     homepage    = "https://github.com/wykurz/cpuset";
     license     = licenses.gpl2;
     maintainers = with maintainers; [ wykurz ];
diff --git a/pkgs/os-specific/linux/firmware/system76-firmware/default.nix b/pkgs/os-specific/linux/firmware/system76-firmware/default.nix
index 6da1df98b25..f19af3d10fc 100644
--- a/pkgs/os-specific/linux/firmware/system76-firmware/default.nix
+++ b/pkgs/os-specific/linux/firmware/system76-firmware/default.nix
@@ -30,7 +30,7 @@ rustPlatform.buildRustPackage rec {
   '';
 
   meta = {
-    description = "Tools for managing firmware updates for system76 devices.";
+    description = "Tools for managing firmware updates for system76 devices";
     homepage = "https://github.com/pop-os/system76-firmware";
     license = lib.licenses.gpl3;
     maintainers = [ lib.maintainers.shlevy ];
diff --git a/pkgs/os-specific/linux/intel-compute-runtime/default.nix b/pkgs/os-specific/linux/intel-compute-runtime/default.nix
index bba3549daf6..e33a40e6a85 100644
--- a/pkgs/os-specific/linux/intel-compute-runtime/default.nix
+++ b/pkgs/os-specific/linux/intel-compute-runtime/default.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage    = "https://github.com/intel/compute-runtime";
-    description = "Intel Graphics Compute Runtime for OpenCL. Replaces Beignet for Gen8 (Broadwell) and beyond.";
+    description = "Intel Graphics Compute Runtime for OpenCL. Replaces Beignet for Gen8 (Broadwell) and beyond";
     license     = licenses.mit;
     platforms   = platforms.linux;
     maintainers = with maintainers; [ gloaming ];
diff --git a/pkgs/os-specific/linux/libevdevc/default.nix b/pkgs/os-specific/linux/libevdevc/default.nix
index e3dfbd3d6c2..372f110f347 100644
--- a/pkgs/os-specific/linux/libevdevc/default.nix
+++ b/pkgs/os-specific/linux/libevdevc/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "DESTDIR=$(out)" "LIBDIR=/lib" ];
 
   meta = with stdenv.lib; {
-    description = "ChromiumOS libevdev. Renamed to avoid conflicts with the standard libevdev found in Linux distros.";
+    description = "ChromiumOS libevdev. Renamed to avoid conflicts with the standard libevdev found in Linux distros";
     license = licenses.bsd3;
     platforms = platforms.linux;
     homepage = "https://chromium.googlesource.com/chromiumos/platform/libevdev/";
diff --git a/pkgs/os-specific/linux/libgestures/default.nix b/pkgs/os-specific/linux/libgestures/default.nix
index 4c51525727a..46d25df31b9 100644
--- a/pkgs/os-specific/linux/libgestures/default.nix
+++ b/pkgs/os-specific/linux/libgestures/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   makeFlags = [ "DESTDIR=$(out)" "LIBDIR=/lib" ];
 
   meta = with stdenv.lib; {
-    description = "ChromiumOS libgestures modified to compile for Linux.";
+    description = "ChromiumOS libgestures modified to compile for Linux";
     license = licenses.bsd3;
     platforms = platforms.linux;
     homepage = "https://chromium.googlesource.com/chromiumos/platform/gestures";
diff --git a/pkgs/os-specific/linux/lksctp-tools/default.nix b/pkgs/os-specific/linux/lksctp-tools/default.nix
index bef74cd33ba..6ddf4db562b 100644
--- a/pkgs/os-specific/linux/lksctp-tools/default.nix
+++ b/pkgs/os-specific/linux/lksctp-tools/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    description = "Linux Kernel Stream Control Transmission Protocol Tools.";
+    description = "Linux Kernel Stream Control Transmission Protocol Tools";
     homepage = "http://lksctp.sourceforge.net/";
     license = with licenses; [ gpl2 lgpl21 ]; # library is lgpl21
     platforms = platforms.linux;
diff --git a/pkgs/os-specific/linux/usbguard/default.nix b/pkgs/os-specific/linux/usbguard/default.nix
index ad751b9cfe0..0ece2f83600 100644
--- a/pkgs/os-specific/linux/usbguard/default.nix
+++ b/pkgs/os-specific/linux/usbguard/default.nix
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    description = "The USBGuard software framework helps to protect your computer against BadUSB.";
+    description = "The USBGuard software framework helps to protect your computer against BadUSB";
     homepage = "https://usbguard.github.io/";
     license = licenses.gpl2;
     maintainers = [ maintainers.tnias ];
diff --git a/pkgs/os-specific/linux/xf86-input-cmt/default.nix b/pkgs/os-specific/linux/xf86-input-cmt/default.nix
index 9f9b278d6f7..93fd7dd5b0e 100644
--- a/pkgs/os-specific/linux/xf86-input-cmt/default.nix
+++ b/pkgs/os-specific/linux/xf86-input-cmt/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with stdenv.lib; {
-    description = "Chromebook touchpad driver.";
+    description = "Chromebook touchpad driver";
     license = licenses.bsd3;
     platforms = platforms.linux;
     homepage = "https://www.github.com/hugegreenbug/xf86-input-cmt";
diff --git a/pkgs/os-specific/solo5/default.nix b/pkgs/os-specific/solo5/default.nix
index 689bc2f3857..283cceb1240 100644
--- a/pkgs/os-specific/solo5/default.nix
+++ b/pkgs/os-specific/solo5/default.nix
@@ -45,7 +45,7 @@ in stdenv.mkDerivation {
     null;
 
   meta = with lib; {
-    description = "Sandboxed execution environment.";
+    description = "Sandboxed execution environment";
     homepage = "https://github.com/solo5/solo5";
     license = licenses.isc;
     maintainers = [ maintainers.ehmry ];
diff --git a/pkgs/servers/code-server/default.nix b/pkgs/servers/code-server/default.nix
index 91da7e179b4..c62fc072ecb 100644
--- a/pkgs/servers/code-server/default.nix
+++ b/pkgs/servers/code-server/default.nix
@@ -174,7 +174,7 @@ in stdenv.mkDerivation rec {
   };
 
   meta = with stdenv.lib; {
-    description = "Run VS Code on a remote server.";
+    description = "Run VS Code on a remote server";
     longDescription = ''
       code-server is VS Code running on a remote server, accessible through the
       browser.
diff --git a/pkgs/servers/dante/default.nix b/pkgs/servers/dante/default.nix
index c36ca2f8f50..6be80c491fd 100644
--- a/pkgs/servers/dante/default.nix
+++ b/pkgs/servers/dante/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   dontAddDisableDepTrack = stdenv.isDarwin;
 
   meta = with stdenv.lib; {
-    description = "A circuit-level SOCKS client/server that can be used to provide convenient and secure network connectivity.";
+    description = "A circuit-level SOCKS client/server that can be used to provide convenient and secure network connectivity";
     homepage    = "https://www.inet.no/dante/";
     maintainers = [ maintainers.arobyn ];
     license     = licenses.bsdOriginal;
diff --git a/pkgs/servers/http/tengine/default.nix b/pkgs/servers/http/tengine/default.nix
index f3cae597ef9..cc6363e75d1 100644
--- a/pkgs/servers/http/tengine/default.nix
+++ b/pkgs/servers/http/tengine/default.nix
@@ -112,7 +112,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "A web server based on Nginx and has many advanced features, originated by Taobao.";
+    description = "A web server based on Nginx and has many advanced features, originated by Taobao";
     homepage    = "https://tengine.taobao.org";
     license     = licenses.bsd2;
     platforms   = platforms.all;
diff --git a/pkgs/servers/http/unit/default.nix b/pkgs/servers/http/unit/default.nix
index 27f45fe6e47..cbe17cdb806 100644
--- a/pkgs/servers/http/unit/default.nix
+++ b/pkgs/servers/http/unit/default.nix
@@ -84,7 +84,7 @@ in stdenv.mkDerivation rec {
   passthru.tests.unit-php = nixosTests.unit-php;
 
   meta = {
-    description = "Dynamic web and application server, designed to run applications in multiple languages.";
+    description = "Dynamic web and application server, designed to run applications in multiple languages";
     homepage    = "https://unit.nginx.org/";
     license     = licenses.asl20;
     platforms   = platforms.linux;
diff --git a/pkgs/servers/jackett/default.nix b/pkgs/servers/jackett/default.nix
index 67975efb4a1..b8c9626a7c8 100644
--- a/pkgs/servers/jackett/default.nix
+++ b/pkgs/servers/jackett/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "API Support for your favorite torrent trackers.";
+    description = "API Support for your favorite torrent trackers";
     homepage = "https://github.com/Jackett/Jackett/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ edwtjo nyanloutre purcell ];
diff --git a/pkgs/servers/monitoring/plugins/default.nix b/pkgs/servers/monitoring/plugins/default.nix
index 8f1c08bebd8..8edac875a3a 100644
--- a/pkgs/servers/monitoring/plugins/default.nix
+++ b/pkgs/servers/monitoring/plugins/default.nix
@@ -77,7 +77,7 @@ _EOF
   '';
 
   meta = {
-    description = "Official monitoring plugins for Nagios/Icinga/Sensu and others.";
+    description = "Official monitoring plugins for Nagios/Icinga/Sensu and others";
     homepage    = "https://www.monitoring-plugins.org";
     license     = licenses.gpl2;
     platforms   = platforms.linux;
diff --git a/pkgs/servers/monitoring/plugins/labs_consol_de.nix b/pkgs/servers/monitoring/plugins/labs_consol_de.nix
index 8464d4f1b2f..e7a6fa6e400 100644
--- a/pkgs/servers/monitoring/plugins/labs_consol_de.nix
+++ b/pkgs/servers/monitoring/plugins/labs_consol_de.nix
@@ -55,7 +55,7 @@ in {
     pname       = "check_mssql_health";
     version     = "2.6.4.15";
     sha256      = "12z0b3c2p18viy7s93r6bbl8fvgsqh80136d07118qhxshp1pwxg";
-    description = "Check plugin for Microsoft SQL Server.";
+    description = "Check plugin for Microsoft SQL Server";
     buildInputs = [ perlPackages.DBDsybase ];
   };
 
@@ -63,7 +63,7 @@ in {
     pname       = "check_nwc_health";
     version     = "7.10.0.6";
     sha256      = "092rhaqnk3403z0y60x38vgh65gcia3wrd6gp8mr7wszja38kxv2";
-    description = "Check plugin for network equipment.";
+    description = "Check plugin for network equipment";
     buildInputs = [ perlPackages.NetSNMP ];
   };
 
@@ -71,7 +71,7 @@ in {
     pname       = "check_ups_health";
     version     = "2.8.3.3";
     sha256      = "0qc2aglppwr9ms4p53kh9nr48625sqrbn46xs0k9rx5sv8hil9hm";
-    description = "Check plugin for UPSs.";
+    description = "Check plugin for UPSs";
     buildInputs = [ perlPackages.NetSNMP ];
   };
 }
diff --git a/pkgs/servers/monitoring/prometheus/keylight-exporter.nix b/pkgs/servers/monitoring/prometheus/keylight-exporter.nix
index 47a91d7e3a8..f1a7d0c38e3 100644
--- a/pkgs/servers/monitoring/prometheus/keylight-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/keylight-exporter.nix
@@ -19,7 +19,7 @@ buildGoModule rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/mdlayher/keylight_exporter";
-    description = "Prometheus exporter for Elgato Key Light devices.";
+    description = "Prometheus exporter for Elgato Key Light devices";
     license = licenses.mit;
     maintainers = with maintainers; [ mdlayher ];
   };
diff --git a/pkgs/servers/monitoring/prometheus/modemmanager-exporter.nix b/pkgs/servers/monitoring/prometheus/modemmanager-exporter.nix
index 4c49c94f286..34b927e0f7b 100644
--- a/pkgs/servers/monitoring/prometheus/modemmanager-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/modemmanager-exporter.nix
@@ -19,7 +19,7 @@ buildGoModule rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/mdlayher/modemmanager_exporter";
-    description = "Prometheus exporter for ModemManager and its devices.";
+    description = "Prometheus exporter for ModemManager and its devices";
     license = licenses.mit;
     maintainers = with maintainers; [ mdlayher ];
   };
diff --git a/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix b/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix
index d628cf32c57..b3eb3a5cd84 100644
--- a/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/nextcloud-exporter.nix
@@ -20,7 +20,7 @@ buildGoPackage rec {
   passthru.tests = { inherit (nixosTests.prometheus-exporters) nextcloud; };
 
   meta = with lib; {
-    description = "Prometheus exporter for Nextcloud servers.";
+    description = "Prometheus exporter for Nextcloud servers";
     homepage = "https://github.com/xperimental/nextcloud-exporter";
     license = licenses.mit;
     maintainers = with maintainers; [ willibutz ];
diff --git a/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix b/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix
index 8f927f32e2d..0f303f669af 100644
--- a/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/wireguard-exporter.nix
@@ -18,7 +18,7 @@ rustPlatform.buildRustPackage rec {
   passthru.tests = { inherit (nixosTests.prometheus-exporters) wireguard; };
 
   meta = with lib; {
-    description = "A Prometheus exporter for WireGuard, written in Rust.";
+    description = "A Prometheus exporter for WireGuard, written in Rust";
     homepage = "https://github.com/MindFlavor/prometheus_wireguard_exporter";
     license = licenses.mit;
     maintainers = with maintainers; [ ma27 globin ];
diff --git a/pkgs/servers/monitoring/telegraf/default.nix b/pkgs/servers/monitoring/telegraf/default.nix
index b0e9ef356a6..a12b9e50adb 100644
--- a/pkgs/servers/monitoring/telegraf/default.nix
+++ b/pkgs/servers/monitoring/telegraf/default.nix
@@ -33,7 +33,7 @@ buildGoModule rec {
   passthru.tests = { inherit (nixosTests) telegraf; };
 
   meta = with lib; {
-    description = "The plugin-driven server agent for collecting & reporting metrics.";
+    description = "The plugin-driven server agent for collecting & reporting metrics";
     license = licenses.mit;
     homepage = "https://www.influxdata.com/time-series-platform/telegraf/";
     maintainers = with maintainers; [ mic92 roblabla foxit64 ];
diff --git a/pkgs/servers/openbgpd/default.nix b/pkgs/servers/openbgpd/default.nix
index 2e0c787d0b2..d753cb47a68 100644
--- a/pkgs/servers/openbgpd/default.nix
+++ b/pkgs/servers/openbgpd/default.nix
@@ -36,7 +36,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "OpenBGPD is a FREE implementation of the Border Gateway Protocol, Version 4. It allows ordinary machines to be used as routers exchanging routes with other systems speaking the BGP protocol.";
+    description = "OpenBGPD is a FREE implementation of the Border Gateway Protocol, Version 4. It allows ordinary machines to be used as routers exchanging routes with other systems speaking the BGP protocol";
     license = licenses.isc;
     homepage = "http://www.openbgpd.org/";
     maintainers = with maintainers; [ kloenk ];
diff --git a/pkgs/servers/pinnwand/default.nix b/pkgs/servers/pinnwand/default.nix
index a2f417d88fa..16fa6a7196a 100644
--- a/pkgs/servers/pinnwand/default.nix
+++ b/pkgs/servers/pinnwand/default.nix
@@ -48,7 +48,7 @@ in with python.pkgs; buildPythonApplication rec {
   meta = with lib; {
     homepage = "https://supakeen.com/project/pinnwand/";
     license = licenses.mit;
-    description = "A Python pastebin that tries to keep it simple.";
+    description = "A Python pastebin that tries to keep it simple";
     maintainers = with maintainers; [ hexa ];
   };
 }
diff --git a/pkgs/servers/pinnwand/steck.nix b/pkgs/servers/pinnwand/steck.nix
index 09b20efc36e..90f7d6b49f5 100644
--- a/pkgs/servers/pinnwand/steck.nix
+++ b/pkgs/servers/pinnwand/steck.nix
@@ -24,7 +24,7 @@ python3Packages.buildPythonApplication rec {
   meta = with lib; {
     homepage = "https://github.com/supakeen/steck";
     license = licenses.mit;
-    description = "Client for pinnwand pastebin.";
+    description = "Client for pinnwand pastebin";
     maintainers = with maintainers; [ hexa ];
   };
 }
diff --git a/pkgs/servers/roon-server/default.nix b/pkgs/servers/roon-server/default.nix
index 9c08f392042..06541b89500 100644
--- a/pkgs/servers/roon-server/default.nix
+++ b/pkgs/servers/roon-server/default.nix
@@ -59,7 +59,7 @@
     '';
 
   meta = with lib; {
-    description = "The music player for music lovers.";
+    description = "The music player for music lovers";
     homepage = "https://roonlabs.com";
     license = licenses.unfree;
     maintainers = with maintainers; [ lovesegfault steell ];
diff --git a/pkgs/servers/sql/dolt/default.nix b/pkgs/servers/sql/dolt/default.nix
index 9e4eadf72da..99d7a0df349 100644
--- a/pkgs/servers/sql/dolt/default.nix
+++ b/pkgs/servers/sql/dolt/default.nix
@@ -18,7 +18,7 @@ buildGoModule rec {
   doCheck = false;
 
     meta = with lib; {
-        description = "Relational database with version control and CLI a-la Git.";
+        description = "Relational database with version control and CLI a-la Git";
         homepage = "https://github.com/liquidata-inc/dolt";
         license = licenses.asl20;
         maintainers = with maintainers; [ danbst ];
diff --git a/pkgs/servers/tang/default.nix b/pkgs/servers/tang/default.nix
index 5aa261bd8a4..caeb969f23b 100644
--- a/pkgs/servers/tang/default.nix
+++ b/pkgs/servers/tang/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "man" ];
 
   meta = {
-    description = "Server for binding data to network presence.";
+    description = "Server for binding data to network presence";
     homepage = "https://github.com/latchset/tang";
     maintainers = with lib.maintainers; [ fpletz ];
     license = lib.licenses.gpl3Plus;
diff --git a/pkgs/servers/tautulli/default.nix b/pkgs/servers/tautulli/default.nix
index ff2f993ecc1..1fbf94beb18 100644
--- a/pkgs/servers/tautulli/default.nix
+++ b/pkgs/servers/tautulli/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta  = with stdenv.lib; {
-    description = "A Python based monitoring and tracking tool for Plex Media Server.";
+    description = "A Python based monitoring and tracking tool for Plex Media Server";
     homepage = "https://tautulli.com/";
     license = licenses.gpl3;
     platforms = platforms.linux;
diff --git a/pkgs/servers/web-apps/jirafeau/default.nix b/pkgs/servers/web-apps/jirafeau/default.nix
index 3dc9fb17190..e0b119da6d8 100644
--- a/pkgs/servers/web-apps/jirafeau/default.nix
+++ b/pkgs/servers/web-apps/jirafeau/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it.";
+    description = "Jirafeau is a web site permitting to upload a file in a simple way and give an unique link to it";
     license = licenses.agpl3;
     homepage = "https://gitlab.com/mojo42/Jirafeau";
     platforms = platforms.all;
diff --git a/pkgs/servers/web-apps/pgpkeyserver-lite/default.nix b/pkgs/servers/web-apps/pgpkeyserver-lite/default.nix
index 8fea1f99256..f9838857061 100644
--- a/pkgs/servers/web-apps/pgpkeyserver-lite/default.nix
+++ b/pkgs/servers/web-apps/pgpkeyserver-lite/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/mattrude/pgpkeyserver-lite";
-    description = "A lightweight static front-end for a sks keyserver.";
+    description = "A lightweight static front-end for a sks keyserver";
     license = licenses.gpl3;
     maintainers = with maintainers; [ calbrecht globin ];
   };
diff --git a/pkgs/shells/zsh/antigen/default.nix b/pkgs/shells/zsh/antigen/default.nix
index b4812428adf..5603e5edf59 100644
--- a/pkgs/shells/zsh/antigen/default.nix
+++ b/pkgs/shells/zsh/antigen/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "The plugin manager for zsh.";
+    description = "The plugin manager for zsh";
     homepage = "http://antigen.sharats.me";
     license = stdenv.lib.licenses.mit;
   };
diff --git a/pkgs/shells/zsh/zsh-prezto/default.nix b/pkgs/shells/zsh/zsh-prezto/default.nix
index 9f7a7f18704..dffecf617b1 100644
--- a/pkgs/shells/zsh/zsh-prezto/default.nix
+++ b/pkgs/shells/zsh/zsh-prezto/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     cp ./* $out/ -R
   '';
   meta = with stdenv.lib; {
-    description = "Prezto is the configuration framework for Zsh; it enriches the command line interface environment with sane defaults, aliases, functions, auto completion, and prompt themes.";
+    description = "Prezto is the configuration framework for Zsh; it enriches the command line interface environment with sane defaults, aliases, functions, auto completion, and prompt themes";
     homepage = "https://github.com/sorin-ionescu/prezto";
     license = licenses.mit;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/tools/admin/daemontools/default.nix b/pkgs/tools/admin/daemontools/default.nix
index 660563d9757..2bfdb9b69de 100644
--- a/pkgs/tools/admin/daemontools/default.nix
+++ b/pkgs/tools/admin/daemontools/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = {
     license = stdenv.lib.licenses.publicDomain;
     homepage = "https://cr.yp.to/daemontools.html";
-    description = "A collection of tools for managing UNIX services.";
+    description = "A collection of tools for managing UNIX services";
 
     maintainers = with stdenv.lib.maintainers; [ kevincox ];
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/tools/admin/lexicon/default.nix b/pkgs/tools/admin/lexicon/default.nix
index 4f02615b4a2..4e87a68866c 100644
--- a/pkgs/tools/admin/lexicon/default.nix
+++ b/pkgs/tools/admin/lexicon/default.nix
@@ -75,7 +75,7 @@ buildPythonApplication rec {
   '';
 
   meta = with lib; {
-    description = "Manipulate DNS records on various DNS providers in a standardized way.";
+    description = "Manipulate DNS records on various DNS providers in a standardized way";
     homepage = "https://github.com/AnalogJ/lexicon";
     maintainers = with maintainers; [ flyfloh ];
     license = licenses.mit;
diff --git a/pkgs/tools/audio/picotts/default.nix b/pkgs/tools/audio/picotts/default.nix
index 023bf457774..5b7ab80d860 100644
--- a/pkgs/tools/audio/picotts/default.nix
+++ b/pkgs/tools/audio/picotts/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   sourceRoot = "source/pico";
   preConfigure = "./autogen.sh";
   meta = {
-    description = "Text to speech voice sinthesizer from SVox.";
+    description = "Text to speech voice sinthesizer from SVox";
     homepage = "https://github.com/naggety/picotts";
     license = stdenv.lib.licenses.asl20;
     maintainers = [ stdenv.lib.maintainers.canndrew ];
diff --git a/pkgs/tools/compression/pbzx/default.nix b/pkgs/tools/compression/pbzx/default.nix
index 13e5882788d..2804ed7a0b5 100644
--- a/pkgs/tools/compression/pbzx/default.nix
+++ b/pkgs/tools/compression/pbzx/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     cp pbzx $out/bin
   '';
   meta = with lib; {
-    description = "Stream parser of Apple's pbzx compression format.";
+    description = "Stream parser of Apple's pbzx compression format";
     platforms = platforms.unix;
     license = licenses.gpl3;
     maintainers = [ maintainers.matthewbauer ];
diff --git a/pkgs/tools/filesystems/convoy/default.nix b/pkgs/tools/filesystems/convoy/default.nix
index f12187be810..3372ec83530 100644
--- a/pkgs/tools/filesystems/convoy/default.nix
+++ b/pkgs/tools/filesystems/convoy/default.nix
@@ -18,7 +18,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/rancher/convoy";
-    description = "A Docker volume plugin, managing persistent container volumes.";
+    description = "A Docker volume plugin, managing persistent container volumes";
     license = licenses.asl20;
     maintainers = with maintainers; [ offline ];
     platforms = platforms.linux;
diff --git a/pkgs/tools/inputmethods/keyfuzz/default.nix b/pkgs/tools/inputmethods/keyfuzz/default.nix
index 489a24c3a58..0b2883f70a4 100644
--- a/pkgs/tools/inputmethods/keyfuzz/default.nix
+++ b/pkgs/tools/inputmethods/keyfuzz/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation {
   version = "0.2";
 
   meta = with stdenv.lib; {
-    description = "Manipulate the scancode/keycode translation tables of keyboard drivers.";
+    description = "Manipulate the scancode/keycode translation tables of keyboard drivers";
     homepage    = "http://0pointer.de/lennart/projects/keyfuzz/";
     license     = licenses.gpl2Plus;
     platforms   = platforms.linux;
diff --git a/pkgs/tools/misc/adafruit-ampy/default.nix b/pkgs/tools/misc/adafruit-ampy/default.nix
index be47d42dc89..31ef3e2487b 100644
--- a/pkgs/tools/misc/adafruit-ampy/default.nix
+++ b/pkgs/tools/misc/adafruit-ampy/default.nix
@@ -20,7 +20,7 @@ buildPythonApplication rec {
   meta = with stdenv.lib; {
     homepage = "https://github.com/pycampers/ampy";
     license = licenses.mit;
-    description = "Utility to interact with a MicroPython board over a serial connection.";
+    description = "Utility to interact with a MicroPython board over a serial connection";
     maintainers = with maintainers; [ etu ];
   };
 }
diff --git a/pkgs/tools/misc/asciinema-scenario/default.nix b/pkgs/tools/misc/asciinema-scenario/default.nix
index 29538f94017..cff96a4ec86 100644
--- a/pkgs/tools/misc/asciinema-scenario/default.nix
+++ b/pkgs/tools/misc/asciinema-scenario/default.nix
@@ -15,7 +15,7 @@ rustPlatform.buildRustPackage rec {
   cargoSha256 = "109ij5h31bhn44l0wywgpnnlfjgyairxr5l19s6bz47sbka0xyxk";
 
   meta = with stdenv.lib; {
-    description = "Create asciinema videos from a text file.";
+    description = "Create asciinema videos from a text file";
     homepage = "https://github.com/garbas/asciinema-scenario/";
     maintainers = with maintainers; [ garbas ];
     license = with licenses; [ mit ];
diff --git a/pkgs/tools/misc/chafa/default.nix b/pkgs/tools/misc/chafa/default.nix
index 9afdd93ad0a..5ed477c93a2 100644
--- a/pkgs/tools/misc/chafa/default.nix
+++ b/pkgs/tools/misc/chafa/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
                    ];
 
   meta = with stdenv.lib; {
-    description = "Terminal graphics for the 21st century.";
+    description = "Terminal graphics for the 21st century";
     homepage = "https://hpjansson.org/chafa/";
     license = licenses.lgpl3Plus;
     platforms = platforms.all;
diff --git a/pkgs/tools/misc/dijo/default.nix b/pkgs/tools/misc/dijo/default.nix
index da504ad3ba3..2a3fa242699 100644
--- a/pkgs/tools/misc/dijo/default.nix
+++ b/pkgs/tools/misc/dijo/default.nix
@@ -13,7 +13,7 @@ rustPlatform.buildRustPackage {
   cargoSha256 = "0pm048xf8hkva8q8fjmhrdnk7h2im28ix7xy784xwkkdnilm4j7f";
 
   meta = with lib; {
-    description = "Scriptable, curses-based, digital habit tracker.";
+    description = "Scriptable, curses-based, digital habit tracker";
     homepage = "https://github.com/NerdyPepper/dijo";
     license = licenses.mit;
     maintainers = with maintainers; [ infinisil ];
diff --git a/pkgs/tools/misc/dmg2img/default.nix b/pkgs/tools/misc/dmg2img/default.nix
index 267983dd432..b132079a28e 100644
--- a/pkgs/tools/misc/dmg2img/default.nix
+++ b/pkgs/tools/misc/dmg2img/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     platforms = stdenv.lib.platforms.unix;
-    description = "An Apple's compressed dmg to standard (hfsplus) image disk file convert tool.";
+    description = "An Apple's compressed dmg to standard (hfsplus) image disk file convert tool";
     license = stdenv.lib.licenses.gpl3;
   };
 }
diff --git a/pkgs/tools/misc/go.rice/default.nix b/pkgs/tools/misc/go.rice/default.nix
index 340b2d41c66..33e6975bb02 100644
--- a/pkgs/tools/misc/go.rice/default.nix
+++ b/pkgs/tools/misc/go.rice/default.nix
@@ -19,7 +19,7 @@ buildGoModule rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/GeertJohan/go.rice";
-    description = "A Go package that makes working with resources such as html, js, css, images, templates very easy.";
+    description = "A Go package that makes working with resources such as html, js, css, images, templates very easy";
     license = licenses.bsd2;
     maintainers = with maintainers; [ blaggacao ];
   };
diff --git a/pkgs/tools/misc/gotify-cli/default.nix b/pkgs/tools/misc/gotify-cli/default.nix
index cd60f0e98fa..36a7055f875 100644
--- a/pkgs/tools/misc/gotify-cli/default.nix
+++ b/pkgs/tools/misc/gotify-cli/default.nix
@@ -26,7 +26,7 @@ buildGoModule rec {
   meta = with lib; {
     license = licenses.mit;
     homepage = "https://github.com/gotify/cli";
-    description = "A command line interface for pushing messages to gotify/server.";
+    description = "A command line interface for pushing messages to gotify/server";
     maintainers = with maintainers; [ ma27 ];
   };
 }
diff --git a/pkgs/tools/misc/hacksaw/default.nix b/pkgs/tools/misc/hacksaw/default.nix
index bf0daa38ab3..a0e884e82d9 100644
--- a/pkgs/tools/misc/hacksaw/default.nix
+++ b/pkgs/tools/misc/hacksaw/default.nix
@@ -16,7 +16,7 @@ rustPlatform.buildRustPackage rec {
   cargoSha256 = "01draql3x71h7xl2xcc69dv7vpi3smnajhrvaihs5vij81pyfrzk";
 
   meta = with lib; {
-    description = "Lightweight selection tool for usage in screenshot scripts etc.";
+    description = "Lightweight selection tool for usage in screenshot scripts etc";
     homepage = "https://github.com/neXromancers/hacksaw";
     license = with licenses; [ mpl20 ];
     maintainers = with maintainers; [ TethysSvensson ];
diff --git a/pkgs/tools/misc/ical2org/default.nix b/pkgs/tools/misc/ical2org/default.nix
index ffdb4e93f58..bcba352d6d3 100644
--- a/pkgs/tools/misc/ical2org/default.nix
+++ b/pkgs/tools/misc/ical2org/default.nix
@@ -17,7 +17,7 @@ buildGoPackage rec {
   goDeps = ./deps.nix;
 
   meta = with stdenv.lib; {
-    description = "Convert an iCal file to org agenda format, optionally deduplicating entries.";
+    description = "Convert an iCal file to org agenda format, optionally deduplicating entries";
     homepage = "https://github.com/rjhorniii/ical2org";
     license = licenses.gpl3;
     maintainers = with maintainers; [ swflint ];
diff --git a/pkgs/tools/misc/kargo/default.nix b/pkgs/tools/misc/kargo/default.nix
index eb9805b22d8..ac40eb762d5 100644
--- a/pkgs/tools/misc/kargo/default.nix
+++ b/pkgs/tools/misc/kargo/default.nix
@@ -30,7 +30,7 @@ buildPythonApplication rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/kubespray/kargo-cli";
-    description = "A tool helps to deploy a kubernetes cluster with Ansible.";
+    description = "A tool helps to deploy a kubernetes cluster with Ansible";
     platforms = platforms.linux;
     license = licenses.gpl3;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/tools/misc/lice/default.nix b/pkgs/tools/misc/lice/default.nix
index f4653f81f3a..2d96819e877 100644
--- a/pkgs/tools/misc/lice/default.nix
+++ b/pkgs/tools/misc/lice/default.nix
@@ -14,7 +14,7 @@ python3Packages.buildPythonPackage rec {
   };
 
   meta = with stdenv.lib; {
-    description = "Print license based on selection and user options.";
+    description = "Print license based on selection and user options";
     homepage = "https://github.com/licenses/lice";
     license = licenses.bsd3;
     maintainers = with maintainers; [ swflint ];
diff --git a/pkgs/tools/misc/logtop/default.nix b/pkgs/tools/misc/logtop/default.nix
index 76c287fe391..a7b2f6282fd 100644
--- a/pkgs/tools/misc/logtop/default.nix
+++ b/pkgs/tools/misc/logtop/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    description = "Displays a real-time count of strings received from stdin.";
+    description = "Displays a real-time count of strings received from stdin";
     longDescription = ''
       logtop displays a real-time count of strings received from stdin.
       It can be useful in some cases, like getting the IP flooding your
diff --git a/pkgs/tools/misc/lokalise2-cli/default.nix b/pkgs/tools/misc/lokalise2-cli/default.nix
index 3705d7df6f0..19dafb4cef1 100644
--- a/pkgs/tools/misc/lokalise2-cli/default.nix
+++ b/pkgs/tools/misc/lokalise2-cli/default.nix
@@ -20,7 +20,7 @@ buildGoModule rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Translation platform for developers. Upload language files, translate, integrate via API.";
+    description = "Translation platform for developers. Upload language files, translate, integrate via API";
     homepage = "https://lokalise.com";
     license = licenses.bsd3;
     maintainers = with maintainers; [ timstott ];
diff --git a/pkgs/tools/misc/noti/default.nix b/pkgs/tools/misc/noti/default.nix
index 883e353b0b0..9bfc7e259d5 100644
--- a/pkgs/tools/misc/noti/default.nix
+++ b/pkgs/tools/misc/noti/default.nix
@@ -26,7 +26,7 @@ buildGoPackage rec {
   '';
 
   meta = with lib; {
-    description = "Monitor a process and trigger a notification.";
+    description = "Monitor a process and trigger a notification";
     longDescription = ''
       Monitor a process and trigger a notification.
 
diff --git a/pkgs/tools/misc/nyancat/default.nix b/pkgs/tools/misc/nyancat/default.nix
index a7b06614785..d4092c237df 100644
--- a/pkgs/tools/misc/nyancat/default.nix
+++ b/pkgs/tools/misc/nyancat/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Nyancat in your terminal, rendered through ANSI escape sequences.";
+    description = "Nyancat in your terminal, rendered through ANSI escape sequences";
     homepage = "https://nyancat.dakko.us";
     license = licenses.ncsa;
     maintainers = with maintainers; [ midchildan ];
diff --git a/pkgs/tools/misc/pandoc-plantuml-filter/default.nix b/pkgs/tools/misc/pandoc-plantuml-filter/default.nix
index 61a0f14d597..cdf0ab862df 100644
--- a/pkgs/tools/misc/pandoc-plantuml-filter/default.nix
+++ b/pkgs/tools/misc/pandoc-plantuml-filter/default.nix
@@ -19,7 +19,7 @@ buildPythonApplication rec {
 
   meta = with lib; {
     homepage = "https://github.com/timofurrer/pandoc-plantuml-filter";
-    description = "Pandoc filter which converts PlantUML code blocks to PlantUML images.";
+    description = "Pandoc filter which converts PlantUML code blocks to PlantUML images";
     license = licenses.mit;
     maintainers = with maintainers; [ cmcdragonkai ];
   };
diff --git a/pkgs/tools/misc/shunit2/default.nix b/pkgs/tools/misc/shunit2/default.nix
index 186235be442..e08a5b576d3 100644
--- a/pkgs/tools/misc/shunit2/default.nix
+++ b/pkgs/tools/misc/shunit2/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/kward/shunit2";
-    description = "A xUnit based unit test framework for Bourne based shell scripts.";
+    description = "A xUnit based unit test framework for Bourne based shell scripts";
     maintainers = with maintainers; [ cdepillabout utdemir ];
     license = licenses.asl20;
     platforms = platforms.unix;
diff --git a/pkgs/tools/misc/silicon/default.nix b/pkgs/tools/misc/silicon/default.nix
index 99de1c3d175..7c3d6a4f70a 100644
--- a/pkgs/tools/misc/silicon/default.nix
+++ b/pkgs/tools/misc/silicon/default.nix
@@ -37,7 +37,7 @@ rustPlatform.buildRustPackage rec {
   LIBCLANG_PATH = "${llvmPackages.libclang}/lib";
 
   meta = with lib; {
-    description = "Create beautiful image of your source code.";
+    description = "Create beautiful image of your source code";
     homepage = "https://github.com/Aloxaf/silicon";
     license = with licenses; [ mit /* or */ asl20 ];
     maintainers = with maintainers; [ evanjs ];
diff --git a/pkgs/tools/misc/statserial/default.nix b/pkgs/tools/misc/statserial/default.nix
index 66ae899b9c5..448323f4346 100644
--- a/pkgs/tools/misc/statserial/default.nix
+++ b/pkgs/tools/misc/statserial/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://sites.google.com/site/tranter/software";
-    description = "Display serial port modem status lines.";
+    description = "Display serial port modem status lines";
     license = licenses.gpl2;
 
     longDescription =
diff --git a/pkgs/tools/misc/td/default.nix b/pkgs/tools/misc/td/default.nix
index f4b120d1bc1..bca5bd601d4 100644
--- a/pkgs/tools/misc/td/default.nix
+++ b/pkgs/tools/misc/td/default.nix
@@ -8,7 +8,7 @@ bundlerApp {
   passthru.updateScript = bundlerUpdateScript "td";
 
   meta = with lib; {
-    description = "CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing.";
+    description = "CLI to manage data on Treasure Data, the Hadoop-based cloud data warehousing";
     homepage    = "https://github.com/treasure-data/td";
     license     = licenses.asl20;
     maintainers =  with maintainers; [ groodt nicknovitski ];
diff --git a/pkgs/tools/misc/thefuck/default.nix b/pkgs/tools/misc/thefuck/default.nix
index b2d31a62911..d923a3f4491 100644
--- a/pkgs/tools/misc/thefuck/default.nix
+++ b/pkgs/tools/misc/thefuck/default.nix
@@ -30,7 +30,7 @@ buildPythonApplication rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/nvbn/thefuck";
-    description = "Magnificent app which corrects your previous console command.";
+    description = "Magnificent app which corrects your previous console command";
     license = licenses.mit;
     maintainers = with maintainers; [ ma27 ];
   };
diff --git a/pkgs/tools/misc/wootility/default.nix b/pkgs/tools/misc/wootility/default.nix
index 91203e5f7be..cc192951ca8 100644
--- a/pkgs/tools/misc/wootility/default.nix
+++ b/pkgs/tools/misc/wootility/default.nix
@@ -35,7 +35,7 @@ appimageTools.wrapType2 rec {
 
   meta = with lib; {
     homepage = "https://wooting.io/wootility";
-    description = "Wootility is customization and management software for Wooting keyboards.";
+    description = "Wootility is customization and management software for Wooting keyboards";
     platforms = [ "x86_64-linux" ];
     license = "unknown";
     maintainers = with maintainers; [ davidtwco ];
diff --git a/pkgs/tools/misc/yubikey-manager-qt/default.nix b/pkgs/tools/misc/yubikey-manager-qt/default.nix
index 01454b48254..5b5fb66be30 100644
--- a/pkgs/tools/misc/yubikey-manager-qt/default.nix
+++ b/pkgs/tools/misc/yubikey-manager-qt/default.nix
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     inherit version;
-    description = "Cross-platform application for configuring any YubiKey over all USB interfaces.";
+    description = "Cross-platform application for configuring any YubiKey over all USB interfaces";
     homepage = "https://developers.yubico.com/yubikey-manager-qt/";
     license = licenses.bsd2;
     maintainers = [ maintainers.cbley ];
diff --git a/pkgs/tools/misc/yubikey-manager/default.nix b/pkgs/tools/misc/yubikey-manager/default.nix
index a6b0a93324f..505d26bb582 100644
--- a/pkgs/tools/misc/yubikey-manager/default.nix
+++ b/pkgs/tools/misc/yubikey-manager/default.nix
@@ -47,7 +47,7 @@ python3Packages.buildPythonPackage rec {
 
   meta = with lib; {
     homepage = "https://developers.yubico.com/yubikey-manager";
-    description = "Command line tool for configuring any YubiKey over all USB transports.";
+    description = "Command line tool for configuring any YubiKey over all USB transports";
 
     license = licenses.bsd2;
     platforms = platforms.unix;
diff --git a/pkgs/tools/networking/dnstracer/default.nix b/pkgs/tools/networking/dnstracer/default.nix
index 7109a294543..b0369ec80bd 100644
--- a/pkgs/tools/networking/dnstracer/default.nix
+++ b/pkgs/tools/networking/dnstracer/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   NIX_LDFLAGS = stdenv.lib.optionalString stdenv.isDarwin "-lresolv";
 
   meta = with stdenv.lib; {
-    description = "Dnstracer determines where a given Domain Name Server (DNS) gets its information from, and follows the chain of DNS servers back to the servers which know the data.";
+    description = "Dnstracer determines where a given Domain Name Server (DNS) gets its information from, and follows the chain of DNS servers back to the servers which know the data";
     homepage = "http://www.mavetju.org/unix/general.php";
     license = licenses.bsd2;
     maintainers = with maintainers; [ andir ];
diff --git a/pkgs/tools/networking/goreplay/default.nix b/pkgs/tools/networking/goreplay/default.nix
index 3daa6a983b2..86548bf9959 100644
--- a/pkgs/tools/networking/goreplay/default.nix
+++ b/pkgs/tools/networking/goreplay/default.nix
@@ -19,7 +19,7 @@ buildGoPackage rec {
   meta = {
     homepage = "https://github.com/buger/goreplay";
     license = stdenv.lib.licenses.lgpl3Only;
-    description = "GoReplay is an open-source tool for capturing and replaying live HTTP traffic.";
+    description = "GoReplay is an open-source tool for capturing and replaying live HTTP traffic";
     platforms = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [ lovek323 ];
   };
diff --git a/pkgs/tools/networking/mcrcon/default.nix b/pkgs/tools/networking/mcrcon/default.nix
index 4f943f2cec6..7a5e8b8c5ac 100644
--- a/pkgs/tools/networking/mcrcon/default.nix
+++ b/pkgs/tools/networking/mcrcon/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = "https://bukkit.org/threads/admin-rcon-mcrcon-remote-connection-client-for-minecraft-servers.70910/";
-    description = "Minecraft console client with Bukkit coloring support.";
+    description = "Minecraft console client with Bukkit coloring support";
     longDescription = ''
       Mcrcon is a powerful Minecraft RCON terminal client with Bukkit coloring support.
       It is well suited for remote administration and to be used as part of automated server maintenance scripts.
diff --git a/pkgs/tools/networking/ocserv/default.nix b/pkgs/tools/networking/ocserv/default.nix
index dea0d10a277..daaa483149a 100644
--- a/pkgs/tools/networking/ocserv/default.nix
+++ b/pkgs/tools/networking/ocserv/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     homepage = "https://gitlab.com/openconnect/ocserv";
     license = licenses.gpl2;
-    description = "This program is openconnect VPN server (ocserv), a server for the openconnect VPN client.";
+    description = "This program is openconnect VPN server (ocserv), a server for the openconnect VPN client";
     maintainers = with maintainers; [ ];
   };
 }
diff --git a/pkgs/tools/networking/persepolis/default.nix b/pkgs/tools/networking/persepolis/default.nix
index ecceed21660..32fb053f811 100644
--- a/pkgs/tools/networking/persepolis/default.nix
+++ b/pkgs/tools/networking/persepolis/default.nix
@@ -62,7 +62,7 @@ buildPythonApplication rec {
   ];
 
   meta = with stdenv.lib; {
-    description = "Persepolis Download Manager is a GUI for aria2.";
+    description = "Persepolis Download Manager is a GUI for aria2";
     homepage = "https://persepolisdm.github.io/";
     license = licenses.gpl3;
     maintainers = [ maintainers.linarcx ];
diff --git a/pkgs/tools/networking/quickserve/default.nix b/pkgs/tools/networking/quickserve/default.nix
index 8f4876b6ee2..53d649d791f 100644
--- a/pkgs/tools/networking/quickserve/default.nix
+++ b/pkgs/tools/networking/quickserve/default.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    description = "A simple HTTP server for quickly sharing files.";
+    description = "A simple HTTP server for quickly sharing files";
     homepage = "https://xyne.archlinux.ca/projects/quickserve/";
     license = licenses.gpl2;
     maintainers = with maintainers; [ lassulus ];
diff --git a/pkgs/tools/networking/radsecproxy/default.nix b/pkgs/tools/networking/radsecproxy/default.nix
index e2a0c900c52..283131b5671 100644
--- a/pkgs/tools/networking/radsecproxy/default.nix
+++ b/pkgs/tools/networking/radsecproxy/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     homepage = "https://software.nordu.net/radsecproxy/";
-    description = "A generic RADIUS proxy that supports both UDP and TLS (RadSec) RADIUS transports.";
+    description = "A generic RADIUS proxy that supports both UDP and TLS (RadSec) RADIUS transports";
     license = licenses.bsd3;
     maintainers = with maintainers; [ sargon ];
     platforms = with platforms; linux;
diff --git a/pkgs/tools/networking/tcptraceroute/default.nix b/pkgs/tools/networking/tcptraceroute/default.nix
index 6901166e38f..e1e711ef16a 100644
--- a/pkgs/tools/networking/tcptraceroute/default.nix
+++ b/pkgs/tools/networking/tcptraceroute/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
    buildInputs = [ libpcap libnet ];
 
    meta = {
-     description = "A traceroute implementation using TCP packets.";
+     description = "A traceroute implementation using TCP packets";
      homepage = "https://github.com/mct/tcptraceroute";
      license = stdenv.lib.licenses.gpl2;
      maintainers = [ ];
diff --git a/pkgs/tools/networking/tendermint/default.nix b/pkgs/tools/networking/tendermint/default.nix
index 081819458f0..4ca5529bdc6 100644
--- a/pkgs/tools/networking/tendermint/default.nix
+++ b/pkgs/tools/networking/tendermint/default.nix
@@ -20,7 +20,7 @@ buildGoModule rec {
   buildFlagsArray = [ "-ldflags=-s -w -X github.com/tendermint/tendermint/version.GitCommit=${src.rev}" ];
 
   meta = with stdenv.lib; {
-    description = "Byzantine-Fault Tolerant State Machines. Or Blockchain, for short.";
+    description = "Byzantine-Fault Tolerant State Machines. Or Blockchain, for short";
     homepage = "https://tendermint.com/";
     license = licenses.asl20;
     maintainers = with maintainers; [ alexfmpe ];
diff --git a/pkgs/tools/nix/nix-script/default.nix b/pkgs/tools/nix/nix-script/default.nix
index da8ba3bce8e..d604463bb05 100644
--- a/pkgs/tools/nix/nix-script/default.nix
+++ b/pkgs/tools/nix/nix-script/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   '';
 
   meta = with stdenv.lib; {
-    description = "A shebang for running inside nix-shell.";
+    description = "A shebang for running inside nix-shell";
     homepage    = "https://github.com/bennofs/nix-script";
     license     = licenses.bsd3;
     maintainers = with maintainers; [ bennofs rnhmjoj ];
diff --git a/pkgs/tools/package-management/elm-github-install/default.nix b/pkgs/tools/package-management/elm-github-install/default.nix
index 8da05981daf..f86cdc55ecc 100644
--- a/pkgs/tools/package-management/elm-github-install/default.nix
+++ b/pkgs/tools/package-management/elm-github-install/default.nix
@@ -12,7 +12,7 @@ bundlerEnv rec {
   passthru.updateScript = bundlerUpdateScript "elm-github-install";
 
   meta = with lib; {
-    description = "Install Elm packages from git repositories.";
+    description = "Install Elm packages from git repositories";
     homepage    = "https://github.com/gdotdesign/elm-github-install";
     license     = licenses.unfree;
     maintainers = with maintainers; [ roberth nicknovitski ];
diff --git a/pkgs/tools/package-management/morph/default.nix b/pkgs/tools/package-management/morph/default.nix
index 5ae4f5731ba..1a75fa43d4e 100644
--- a/pkgs/tools/package-management/morph/default.nix
+++ b/pkgs/tools/package-management/morph/default.nix
@@ -35,7 +35,7 @@ buildGoPackage rec {
   outputs = [ "out" "lib" ];
 
   meta = with lib; {
-    description = "Morph is a NixOS host manager written in Golang.";
+    description = "Morph is a NixOS host manager written in Golang";
     license = licenses.mit;
     homepage = "https://github.com/dbcdk/morph";
     maintainers = with maintainers; [adamt johanot];
diff --git a/pkgs/tools/package-management/mynewt-newt/default.nix b/pkgs/tools/package-management/mynewt-newt/default.nix
index d559ca8921c..63e2ae12a6e 100644
--- a/pkgs/tools/package-management/mynewt-newt/default.nix
+++ b/pkgs/tools/package-management/mynewt-newt/default.nix
@@ -28,7 +28,7 @@ buildGoModule rec {
 
   meta = with stdenv.lib; {
     homepage = "https://mynewt.apache.org/";
-    description = "Build and package management tool for embedded development.";
+    description = "Build and package management tool for embedded development";
     longDescription = ''
       Apache Newt is a smart build and package management tool,
       designed for C and C++ applications in embedded contexts. Newt
diff --git a/pkgs/tools/security/acsccid/default.nix b/pkgs/tools/security/acsccid/default.nix
index 5b79b3db705..3e61b124fef 100644
--- a/pkgs/tools/security/acsccid/default.nix
+++ b/pkgs/tools/security/acsccid/default.nix
@@ -61,7 +61,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "acsccid is a PC/SC driver for Linux/Mac OS X and it supports ACS CCID smart card readers.";
+    description = "acsccid is a PC/SC driver for Linux/Mac OS X and it supports ACS CCID smart card readers";
     longDescription = ''
       acsccid is a PC/SC driver for Linux/Mac OS X and it supports ACS CCID smart card
       readers. This library provides a PC/SC IFD handler implementation and
diff --git a/pkgs/tools/security/ecdsatool/default.nix b/pkgs/tools/security/ecdsatool/default.nix
index 524f38982cc..b1a86fe7e64 100644
--- a/pkgs/tools/security/ecdsatool/default.nix
+++ b/pkgs/tools/security/ecdsatool/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   buildInputs = with pkgs; [libuecc];
 
   meta = with stdenv.lib; {
-    description = "Create and manipulate ECC NISTP256 keypairs.";
+    description = "Create and manipulate ECC NISTP256 keypairs";
     homepage = "https://github.com/kaniini/ecdsatool/";
     license = with licenses; [free];
     platforms = platforms.unix;
diff --git a/pkgs/tools/security/fpm2/default.nix b/pkgs/tools/security/fpm2/default.nix
index 3d082523f6f..aff4e1ee1ec 100644
--- a/pkgs/tools/security/fpm2/default.nix
+++ b/pkgs/tools/security/fpm2/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ gnupg gtk2 libxml2 intltool ];
 
   meta = {
-    description = "FPM2 is GTK2 port from Figaro's Password Manager originally developed by John Conneely, with some new enhancements.";
+    description = "FPM2 is GTK2 port from Figaro's Password Manager originally developed by John Conneely, with some new enhancements";
     homepage    = "https://als.regnet.cz/fpm2/";
     license     = licenses.gpl2;
     platforms   = platforms.linux;
diff --git a/pkgs/tools/security/genpass/default.nix b/pkgs/tools/security/genpass/default.nix
index 39a84112d63..4310d3a8919 100644
--- a/pkgs/tools/security/genpass/default.nix
+++ b/pkgs/tools/security/genpass/default.nix
@@ -21,7 +21,7 @@ rustPlatform.buildRustPackage rec {
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ CoreFoundation libiconv Security ];
 
   meta = with stdenv.lib; {
-    description = "A simple yet robust commandline random password generator.";
+    description = "A simple yet robust commandline random password generator";
     homepage = "https://github.com/cyplo/genpass";
     license = licenses.agpl3;
     maintainers = with maintainers; [ cyplo ];
diff --git a/pkgs/tools/security/gopass/default.nix b/pkgs/tools/security/gopass/default.nix
index 15ad1c70a8d..80a9c40ebc2 100644
--- a/pkgs/tools/security/gopass/default.nix
+++ b/pkgs/tools/security/gopass/default.nix
@@ -54,7 +54,7 @@ buildGoModule rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "The slightly more awesome Standard Unix Password Manager for Teams. Written in Go.";
+    description = "The slightly more awesome Standard Unix Password Manager for Teams. Written in Go";
     homepage = "https://www.gopass.pw/";
     license = licenses.mit;
     maintainers = with maintainers; [ andir rvolosatovs ];
diff --git a/pkgs/tools/security/hashdeep/default.nix b/pkgs/tools/security/hashdeep/default.nix
index 8c8ab5b01a5..4ad656462b1 100644
--- a/pkgs/tools/security/hashdeep/default.nix
+++ b/pkgs/tools/security/hashdeep/default.nix
@@ -14,7 +14,7 @@ in stdenv.mkDerivation {
   nativeBuildInputs = [ autoreconfHook ];
 
   meta = with stdenv.lib; {
-    description = "A set of cross-platform tools to compute hashes.";
+    description = "A set of cross-platform tools to compute hashes";
     homepage = "https://github.com/jessek/hashdeep";
     license = licenses.gpl2;
     platforms = with platforms; linux ++ freebsd ++ openbsd;
diff --git a/pkgs/tools/security/hologram/default.nix b/pkgs/tools/security/hologram/default.nix
index 7c5a2d5a4c1..9a8722ac263 100644
--- a/pkgs/tools/security/hologram/default.nix
+++ b/pkgs/tools/security/hologram/default.nix
@@ -19,7 +19,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/AdRoll/hologram/";
-    description = "Easy, painless AWS credentials on developer laptops.";
+    description = "Easy, painless AWS credentials on developer laptops";
     maintainers = with maintainers; [ nand0p ];
     license = licenses.asl20;
   };
diff --git a/pkgs/tools/security/keybase/default.nix b/pkgs/tools/security/keybase/default.nix
index ee1cfa9d2a4..bd1ee471b7a 100644
--- a/pkgs/tools/security/keybase/default.nix
+++ b/pkgs/tools/security/keybase/default.nix
@@ -33,7 +33,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://www.keybase.io/";
-    description = "The Keybase official command-line utility and service.";
+    description = "The Keybase official command-line utility and service";
     platforms = platforms.linux ++ platforms.darwin;
     maintainers = with maintainers; [ avaq carlsverre np rvolosatovs filalex77 ];
     license = licenses.bsd3;
diff --git a/pkgs/tools/security/minica/default.nix b/pkgs/tools/security/minica/default.nix
index 20ae3878a71..49f1e2beb4d 100644
--- a/pkgs/tools/security/minica/default.nix
+++ b/pkgs/tools/security/minica/default.nix
@@ -19,7 +19,7 @@ buildGoPackage rec {
   '';
 
   meta = with lib; {
-    description = "A simple tool for generating self signed certificates.";
+    description = "A simple tool for generating self signed certificates";
     longDescription = ''
       Minica is a simple CA intended for use in situations where the CA
       operator also operates each host where a certificate will be used. It
diff --git a/pkgs/tools/security/zzuf/default.nix b/pkgs/tools/security/zzuf/default.nix
index 5dab990e22f..428f1ec1d09 100644
--- a/pkgs/tools/security/zzuf/default.nix
+++ b/pkgs/tools/security/zzuf/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   preConfigure = "./bootstrap";
 
   meta = with stdenv.lib; {
-    description = "Transparent application input fuzzer.";
+    description = "Transparent application input fuzzer";
     homepage = "http://caca.zoy.org/wiki/zzuf";
     license = licenses.wtfpl;
     platforms = platforms.linux;
diff --git a/pkgs/tools/system/incron/default.nix b/pkgs/tools/system/incron/default.nix
index 4b5709e6227..d407982bb67 100644
--- a/pkgs/tools/system/incron/default.nix
+++ b/pkgs/tools/system/incron/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A cron-like daemon which handles filesystem events.";
+    description = "A cron-like daemon which handles filesystem events";
     homepage = "https://github.com/ar-/incron";
     license = licenses.gpl2;
     maintainers = [ maintainers.aanderse ];
diff --git a/pkgs/tools/system/jump/default.nix b/pkgs/tools/system/jump/default.nix
index 9966ace14f4..d8e838dd360 100644
--- a/pkgs/tools/system/jump/default.nix
+++ b/pkgs/tools/system/jump/default.nix
@@ -28,7 +28,7 @@ buildGoModule rec {
   '';
 
   meta = with lib; {
-    description = "Jump helps you navigate faster by learning your habits.";
+    description = "Jump helps you navigate faster by learning your habits";
     longDescription = ''
       Jump integrates with the shell and learns about your
       navigational habits by keeping track of the directories you visit. It
diff --git a/pkgs/tools/system/pcstat/default.nix b/pkgs/tools/system/pcstat/default.nix
index 5febbcb6ef6..436fa5cae6f 100644
--- a/pkgs/tools/system/pcstat/default.nix
+++ b/pkgs/tools/system/pcstat/default.nix
@@ -16,7 +16,7 @@ buildGoPackage {
   goDeps = ./deps.nix;
 
   meta = with stdenv.lib; {
-    description = "Page Cache stat: get page cache stats for files on Linux.";
+    description = "Page Cache stat: get page cache stats for files on Linux";
     homepage = "https://github.com/tobert/pcstat";
     license = licenses.asl20;
     maintainers = with maintainers; [ aminechikhaoui ];
diff --git a/pkgs/tools/text/miller/default.nix b/pkgs/tools/text/miller/default.nix
index 28f2c54729b..bf082abadbc 100644
--- a/pkgs/tools/text/miller/default.nix
+++ b/pkgs/tools/text/miller/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ autoreconfHook flex libtool ];
 
   meta = with stdenv.lib; {
-    description = "Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON.";
+    description = "Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON";
     homepage    = "http://johnkerl.org/miller/";
     license     = licenses.bsd2;
     maintainers = with maintainers; [ mstarzyk ];
diff --git a/pkgs/tools/text/platinum-searcher/default.nix b/pkgs/tools/text/platinum-searcher/default.nix
index b53c5646e70..e621d13f013 100644
--- a/pkgs/tools/text/platinum-searcher/default.nix
+++ b/pkgs/tools/text/platinum-searcher/default.nix
@@ -18,7 +18,7 @@ buildGoPackage rec {
 
   meta = with stdenv.lib; {
     homepage = "https://github.com/monochromegane/the_platinum_searcher";
-    description = "A code search tool similar to ack and the_silver_searcher(ag).";
+    description = "A code search tool similar to ack and the_silver_searcher(ag)";
     license = licenses.mit;
   };
 }
diff --git a/pkgs/tools/typesetting/docbookrx/default.nix b/pkgs/tools/typesetting/docbookrx/default.nix
index 6bfb0188a3a..a41276ea432 100644
--- a/pkgs/tools/typesetting/docbookrx/default.nix
+++ b/pkgs/tools/typesetting/docbookrx/default.nix
@@ -48,7 +48,7 @@ in stdenv.mkDerivation {
   '';
 
   meta = with lib; {
-    description = "(An early version of) a DocBook to AsciiDoc converter written in Ruby.";
+    description = "(An early version of) a DocBook to AsciiDoc converter written in Ruby";
     homepage = "https://asciidoctor.org/";
     license = licenses.mit;
     maintainers = with maintainers; [ ];
diff --git a/pkgs/tools/typesetting/kramdown-asciidoc/default.nix b/pkgs/tools/typesetting/kramdown-asciidoc/default.nix
index 3b54eb637d2..655cd5a61e1 100644
--- a/pkgs/tools/typesetting/kramdown-asciidoc/default.nix
+++ b/pkgs/tools/typesetting/kramdown-asciidoc/default.nix
@@ -26,7 +26,7 @@ let
     # };
 
     meta = with lib; {
-      description = "A kramdown extension for converting Markdown documents to AsciiDoc.";
+      description = "A kramdown extension for converting Markdown documents to AsciiDoc";
       homepage = "https://asciidoctor.org/";
       license = licenses.mit;
       maintainers = with maintainers; [ ];
diff --git a/pkgs/tools/virtualization/cloudmonkey/default.nix b/pkgs/tools/virtualization/cloudmonkey/default.nix
index 2565d9346b0..8b9cd18cd0a 100644
--- a/pkgs/tools/virtualization/cloudmonkey/default.nix
+++ b/pkgs/tools/virtualization/cloudmonkey/default.nix
@@ -16,7 +16,7 @@ buildPythonApplication rec {
   };
 
   meta = with lib; {
-    description = "CLI for Apache CloudStack.";
+    description = "CLI for Apache CloudStack";
     homepage = "https://cwiki.apache.org/confluence/display/CLOUDSTACK/CloudStack+cloudmonkey+CLI";
     license = [ licenses.asl20 ];
     maintainers = [ maintainers.womfoo ];
author	Ben Siraphob <bensiraphob@gmail.com>	2020-10-11 12:55:05 +0700
committer	Jon <jonringer@users.noreply.github.com>	2020-10-17 08:22:31 -0700
commit	683a87dbeb5cbf7a97fc8093836d3691e79780a1 (patch)
tree	92d1b47f09af5aea2470a254e452f4da60dbd4cc
parent	ea04f8482978505571543eb6f406c9ca652c71e3 (diff)
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