treewide: remove periods from end of package descriptions

61 files changed, 61 insertions, 61 deletions

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 ];