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-rw-r--r--pkgs/development/compilers/acme/default.nix2
-rw-r--r--pkgs/development/compilers/bs-platform/default.nix2
-rw-r--r--pkgs/development/compilers/copper/default.nix2
-rw-r--r--pkgs/development/compilers/inform7/default.nix2
-rw-r--r--pkgs/development/compilers/mozart/default.nix2
-rw-r--r--pkgs/development/compilers/openjdk/openjfx/11.nix2
-rw-r--r--pkgs/development/compilers/openjdk/openjfx/14.nix2
-rw-r--r--pkgs/development/compilers/ponyc/pony-stable.nix2
-rw-r--r--pkgs/development/compilers/scala/dotty-bare.nix2
-rw-r--r--pkgs/development/compilers/shaderc/default.nix2
-rw-r--r--pkgs/development/compilers/x11basic/default.nix2
-rw-r--r--pkgs/development/interpreters/alda/default.nix2
-rw-r--r--pkgs/development/interpreters/racket/minimal.nix2
-rw-r--r--pkgs/development/libraries/flatbuffers/default.nix2
-rw-r--r--pkgs/development/libraries/intel-media-sdk/default.nix2
-rw-r--r--pkgs/development/libraries/jcal/default.nix2
-rw-r--r--pkgs/development/libraries/jsoncpp/default.nix2
-rw-r--r--pkgs/development/libraries/libdynd/default.nix2
-rw-r--r--pkgs/development/libraries/libipfix/default.nix2
-rw-r--r--pkgs/development/libraries/libmysqlconnectorcpp/default.nix2
-rw-r--r--pkgs/development/libraries/libnetfilter_acct/default.nix2
-rw-r--r--pkgs/development/libraries/libroxml/default.nix2
-rw-r--r--pkgs/development/libraries/libui/default.nix2
-rw-r--r--pkgs/development/libraries/muparserx/default.nix2
-rw-r--r--pkgs/development/libraries/mypaint-brushes/1.0.nix2
-rw-r--r--pkgs/development/libraries/mypaint-brushes/default.nix2
-rw-r--r--pkgs/development/libraries/pangoxsl/default.nix2
-rw-r--r--pkgs/development/libraries/pdal/default.nix2
-rw-r--r--pkgs/development/libraries/properties-cpp/default.nix2
-rw-r--r--pkgs/development/libraries/python-qt/default.nix2
-rw-r--r--pkgs/development/libraries/rlottie/default.nix2
-rw-r--r--pkgs/development/libraries/science/math/itpp/default.nix2
-rw-r--r--pkgs/development/libraries/serialdv/default.nix2
-rw-r--r--pkgs/development/libraries/taglib/default.nix2
-rw-r--r--pkgs/development/libraries/vsqlite/default.nix2
-rw-r--r--pkgs/development/mobile/cocoapods/default.nix2
-rw-r--r--pkgs/development/python-modules/jc/default.nix2
-rw-r--r--pkgs/development/python-modules/pywal/default.nix2
-rw-r--r--pkgs/development/python-modules/yq/default.nix2
-rw-r--r--pkgs/development/tools/analysis/garcosim/tracefilesim/default.nix2
-rw-r--r--pkgs/development/tools/analysis/pev/default.nix6
-rw-r--r--pkgs/development/tools/bazel-watcher/default.nix2
-rw-r--r--pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix2
-rw-r--r--pkgs/development/tools/build-managers/bazel/buildtools/default.nix2
-rw-r--r--pkgs/development/tools/build-managers/bloop/default.nix2
-rw-r--r--pkgs/development/tools/check/default.nix2
-rw-r--r--pkgs/development/tools/clj-kondo/default.nix2
-rw-r--r--pkgs/development/tools/continuous-integration/drone-cli/default.nix2
-rw-r--r--pkgs/development/tools/corundum/default.nix2
-rw-r--r--pkgs/development/tools/deadcode/default.nix2
-rw-r--r--pkgs/development/tools/deis/default.nix2
-rw-r--r--pkgs/development/tools/deisctl/default.nix2
-rw-r--r--pkgs/development/tools/drm_info/default.nix2
-rw-r--r--pkgs/development/tools/ejson/default.nix2
-rw-r--r--pkgs/development/tools/errcheck/default.nix2
-rw-r--r--pkgs/development/tools/gdm/default.nix2
-rw-r--r--pkgs/development/tools/git-ftp/default.nix2
-rw-r--r--pkgs/development/tools/go-migrate/default.nix2
-rw-r--r--pkgs/development/tools/go-outline/default.nix2
-rw-r--r--pkgs/development/tools/go-symbols/default.nix2
-rw-r--r--pkgs/development/tools/goconvey/default.nix2
-rw-r--r--pkgs/development/tools/gocyclo/default.nix2
-rw-r--r--pkgs/development/tools/gomodifytags/default.nix2
-rw-r--r--pkgs/development/tools/gopkgs/default.nix2
-rw-r--r--pkgs/development/tools/gore/default.nix2
-rw-r--r--pkgs/development/tools/gotests/default.nix2
-rw-r--r--pkgs/development/tools/impl/default.nix2
-rw-r--r--pkgs/development/tools/ineffassign/default.nix2
-rw-r--r--pkgs/development/tools/interfacer/default.nix2
-rw-r--r--pkgs/development/tools/irony-server/default.nix2
-rw-r--r--pkgs/development/tools/jsduck/default.nix2
-rw-r--r--pkgs/development/tools/knightos/scas/default.nix2
-rw-r--r--pkgs/development/tools/kythe/default.nix2
-rw-r--r--pkgs/development/tools/librarian-puppet-go/default.nix2
-rw-r--r--pkgs/development/tools/maligned/default.nix2
-rw-r--r--pkgs/development/tools/minizinc/default.nix2
-rw-r--r--pkgs/development/tools/misc/bsdbuild/default.nix2
-rw-r--r--pkgs/development/tools/misc/tockloader/default.nix2
-rw-r--r--pkgs/development/tools/mockgen/default.nix2
-rw-r--r--pkgs/development/tools/operator-sdk/default.nix2
-rw-r--r--pkgs/development/tools/parinfer-rust/default.nix2
-rw-r--r--pkgs/development/tools/pax-rs/default.nix2
-rw-r--r--pkgs/development/tools/richgo/default.nix2
-rw-r--r--pkgs/development/tools/rust/bindgen/default.nix2
-rw-r--r--pkgs/development/tools/rust/cargo-embed/default.nix2
-rw-r--r--pkgs/development/tools/rust/cargo-flash/default.nix2
-rw-r--r--pkgs/development/tools/rust/cargo-geiger/default.nix2
-rw-r--r--pkgs/development/tools/setupcfg2nix/default.nix2
-rw-r--r--pkgs/development/tools/systemfd/default.nix2
-rw-r--r--pkgs/development/tools/toxiproxy/default.nix2
-rw-r--r--pkgs/development/tools/tracy/default.nix2
-rw-r--r--pkgs/development/tools/tychus/default.nix2
-rw-r--r--pkgs/development/tools/vogl/default.nix2
-rw-r--r--pkgs/development/tools/xqilla/default.nix2
94 files changed, 96 insertions, 96 deletions
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;