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-rw-r--r--pkgs/development/libraries/haskell/AC-Vector/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/Diff/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/Graphalyze/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/HStringTemplate/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/Hipmunk/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/MaybeT-transformers/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/MonadRandom/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/Vec/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/attempt/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/authenticate/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/base64-string/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/benchpress/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/bitmap/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/blaze-builder-enumerator/default.nix3
-rw-r--r--pkgs/development/libraries/haskell/blaze-builder/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/bmp/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/bytestring-nums/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/bytestring-trie/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/clientsession/default.nix2
-rwxr-xr-xpkgs/development/libraries/haskell/continued-fractions/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/control-monad-attempt/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/cprng-aes/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/css-text/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/data-reify/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/digest/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/dimensional/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/erf/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/failure/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/fclabels/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/file-embed/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/filepath/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/filestore/default.nix2
-rwxr-xr-xpkgs/development/libraries/haskell/flexible-defaults/default.nix2
-rwxr-xr-xpkgs/development/libraries/haskell/gamma/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/ghc-mtl/default.nix3
-rw-r--r--pkgs/development/libraries/haskell/ghc-syb-utils/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/ghc-syb/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/gitit/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/graphviz/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/happstack/happstack-server.nix2
-rw-r--r--pkgs/development/libraries/haskell/hashed-storage/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/haskeline/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/haskell-lexer/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/haskell-src-meta/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/haxr-th/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/haxr/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/hledger-chart/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/hledger-lib/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/hledger-vty/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/hledger/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/hscolour/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/http-enumerator/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/http-types/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/irc/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/jsonEnumerator/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/largeword/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/mime-mail/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/multiplate/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/murmur-hash/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/neither/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/numtype/default.nix2
-rwxr-xr-xpkgs/development/libraries/haskell/path-pieces/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/persistent-template/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/persistent/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/polyparse/1.4.nix2
-rw-r--r--pkgs/development/libraries/haskell/polyparse/1.7.nix2
-rw-r--r--pkgs/development/libraries/haskell/pool/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/pretty-show/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/pureMD5/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/pwstore-fast/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/random-shuffle/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/ranges/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/recaptcha/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/regular/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/repa-algorithms/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/repa-bytestring/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/repa-io/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/repa/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/salvia-protocol/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/salvia/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/smallcheck/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/split/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/stateref/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/strict/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/test-framework-hunit/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/test-framework-quickcheck/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/test-framework-quickcheck2/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/texmath/0.4.nix2
-rw-r--r--pkgs/development/libraries/haskell/texmath/0.5.0.1.nix2
-rw-r--r--pkgs/development/libraries/haskell/text/0.11.0.5.nix2
-rw-r--r--pkgs/development/libraries/haskell/text/0.11.0.6.nix2
-rw-r--r--pkgs/development/libraries/haskell/text/0.11.1.5.nix2
-rw-r--r--pkgs/development/libraries/haskell/th-lift/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/uniplate/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/unix-compat/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/url/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/uu-parsinglib/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/wai-extra/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/wai/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/warp/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/web-routes/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/xml-enumerator/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/xml/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yesod-auth/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yesod-core/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yesod-json/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yesod-persistent/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yesod-static/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yesod/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/yst/default.nix3
-rw-r--r--pkgs/development/libraries/haskell/zip-archive/default.nix2
-rw-r--r--pkgs/development/libraries/haskell/zlib-bindings/default.nix2
-rw-r--r--pkgs/development/tools/haskell/HaRe/default.nix2
-rw-r--r--pkgs/development/tools/haskell/tar/default.nix2
-rw-r--r--pkgs/development/tools/misc/cpphs/default.nix2
-rw-r--r--pkgs/tools/package-management/cabal-install/0.10.2.nix2
-rw-r--r--pkgs/tools/package-management/cabal-install/0.6.2.nix2
-rw-r--r--pkgs/tools/package-management/cabal-install/0.8.0.nix2
-rw-r--r--pkgs/tools/package-management/cabal-install/0.8.2.nix2
120 files changed, 120 insertions, 123 deletions
diff --git a/pkgs/development/libraries/haskell/AC-Vector/default.nix b/pkgs/development/libraries/haskell/AC-Vector/default.nix
index 461cf3b9723..242098e7d51 100644
--- a/pkgs/development/libraries/haskell/AC-Vector/default.nix
+++ b/pkgs/development/libraries/haskell/AC-Vector/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "2.3.1";
   sha256 = "0nmj57czqcik23j9iqxbdwqg73n5n1kc9akhp0wywrbkklgf79a0";
   meta = {
-    description = "Efficient geometric vectors and transformations.";
+    description = "Efficient geometric vectors and transformations";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/Diff/default.nix b/pkgs/development/libraries/haskell/Diff/default.nix
index 9cf1b494267..f54344882bb 100644
--- a/pkgs/development/libraries/haskell/Diff/default.nix
+++ b/pkgs/development/libraries/haskell/Diff/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.1.3";
   sha256 = "02dhy4rp3mkzm5x3h1rkdin2h8qcb7h7nhn14gl2gvl6wdykfh5w";
   meta = {
-    description = "O(ND) diff algorithm in haskell.";
+    description = "O(ND) diff algorithm in haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/Graphalyze/default.nix b/pkgs/development/libraries/haskell/Graphalyze/default.nix
index 48d0dd993ec..77e31b52604 100644
--- a/pkgs/development/libraries/haskell/Graphalyze/default.nix
+++ b/pkgs/development/libraries/haskell/Graphalyze/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
     bktrees extensibleExceptions fgl graphviz pandoc time
   ];
   meta = {
-    description = "Graph-Theoretic Analysis library.";
+    description = "Graph-Theoretic Analysis library";
     license = "unknown";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/HStringTemplate/default.nix b/pkgs/development/libraries/haskell/HStringTemplate/default.nix
index d1e6a38b6d2..55d2914d5bc 100644
--- a/pkgs/development/libraries/haskell/HStringTemplate/default.nix
+++ b/pkgs/development/libraries/haskell/HStringTemplate/default.nix
@@ -10,7 +10,7 @@ cabal.mkDerivation (self: {
     deepseq mtl parsec syb sybWithClass text time utf8String
   ];
   meta = {
-    description = "StringTemplate implementation in Haskell.";
+    description = "StringTemplate implementation in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/Hipmunk/default.nix b/pkgs/development/libraries/haskell/Hipmunk/default.nix
index cc933a58bab..537bc0ca30b 100644
--- a/pkgs/development/libraries/haskell/Hipmunk/default.nix
+++ b/pkgs/development/libraries/haskell/Hipmunk/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ StateVar transformers ];
   meta = {
     homepage = "http://patch-tag.com/r/felipe/hipmunk/home";
-    description = "A Haskell binding for Chipmunk.";
+    description = "A Haskell binding for Chipmunk";
     license = "unknown";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/MaybeT-transformers/default.nix b/pkgs/development/libraries/haskell/MaybeT-transformers/default.nix
index 94274cb373a..d006076c247 100644
--- a/pkgs/development/libraries/haskell/MaybeT-transformers/default.nix
+++ b/pkgs/development/libraries/haskell/MaybeT-transformers/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "189w8dpxyq7gksca6k08hb4vpanpz06c99akgzpcpjy0i7k22ily";
   buildDepends = [ monadsFd transformers ];
   meta = {
-    description = "MaybeT monad transformer using transformers instead of mtl.";
+    description = "MaybeT monad transformer using transformers instead of mtl";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/MonadRandom/default.nix b/pkgs/development/libraries/haskell/MonadRandom/default.nix
index f4f4c11379f..221e9f674cd 100644
--- a/pkgs/development/libraries/haskell/MonadRandom/default.nix
+++ b/pkgs/development/libraries/haskell/MonadRandom/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "1429w2h66sf0cw992xj4w9clapcqgpdzmh80as7zxf8l87rarqqp";
   buildDepends = [ mtl ];
   meta = {
-    description = "Random-number generation monad.";
+    description = "Random-number generation monad";
     license = "unknown";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/Vec/default.nix b/pkgs/development/libraries/haskell/Vec/default.nix
index 591f404235c..94c157765d3 100644
--- a/pkgs/development/libraries/haskell/Vec/default.nix
+++ b/pkgs/development/libraries/haskell/Vec/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ QuickCheck ];
   meta = {
     homepage = "http://graphics.cs.ucdavis.edu/~sdillard/Vec";
-    description = "Fixed-length lists and low-dimensional linear algebra.";
+    description = "Fixed-length lists and low-dimensional linear algebra";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/attempt/default.nix b/pkgs/development/libraries/haskell/attempt/default.nix
index 44b8c0ad7bc..52a16a8ac1c 100644
--- a/pkgs/development/libraries/haskell/attempt/default.nix
+++ b/pkgs/development/libraries/haskell/attempt/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ failure ];
   meta = {
     homepage = "http://github.com/snoyberg/attempt/tree/master";
-    description = "Concrete data type for handling extensible exceptions as failures.";
+    description = "Concrete data type for handling extensible exceptions as failures";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/authenticate/default.nix b/pkgs/development/libraries/haskell/authenticate/default.nix
index c3a1336f810..ad46683b0ec 100644
--- a/pkgs/development/libraries/haskell/authenticate/default.nix
+++ b/pkgs/development/libraries/haskell/authenticate/default.nix
@@ -15,7 +15,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/authenticate/tree/master";
-    description = "Authentication methods for Haskell web applications.";
+    description = "Authentication methods for Haskell web applications";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/base64-string/default.nix b/pkgs/development/libraries/haskell/base64-string/default.nix
index b51eb8c0883..e77d5b96ea7 100644
--- a/pkgs/development/libraries/haskell/base64-string/default.nix
+++ b/pkgs/development/libraries/haskell/base64-string/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "0pkhrimabacsjalzq0y3a197fqfbspsbv8xszzg4vbb1fb59dj1y";
   meta = {
     homepage = "http://urchin.earth.li/~ian/cabal/base64-string/";
-    description = "Base64 implementation for String's.";
+    description = "Base64 implementation for String's";
     license = "unknown";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/benchpress/default.nix b/pkgs/development/libraries/haskell/benchpress/default.nix
index d7da499b0bd..5b69e6d901e 100644
--- a/pkgs/development/libraries/haskell/benchpress/default.nix
+++ b/pkgs/development/libraries/haskell/benchpress/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ mtl time ];
   meta = {
     homepage = "http://github.com/tibbe/benchpress";
-    description = "Micro-benchmarking with detailed statistics.";
+    description = "Micro-benchmarking with detailed statistics";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/bitmap/default.nix b/pkgs/development/libraries/haskell/bitmap/default.nix
index b93ad7c1afa..d89e225a5e3 100644
--- a/pkgs/development/libraries/haskell/bitmap/default.nix
+++ b/pkgs/development/libraries/haskell/bitmap/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "281ad4d9234349cfd14f91977b48e2d1861c037f4b6562aa138cddd25c801a7e";
   meta = {
     homepage = "http://code.haskell.org/~bkomuves/";
-    description = "A library for handling and manipulating bitmaps.";
+    description = "A library for handling and manipulating bitmaps";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/blaze-builder-enumerator/default.nix b/pkgs/development/libraries/haskell/blaze-builder-enumerator/default.nix
index 0a6fa732cf4..84d667de29a 100644
--- a/pkgs/development/libraries/haskell/blaze-builder-enumerator/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-builder-enumerator/default.nix
@@ -7,8 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ blazeBuilder enumerator transformers ];
   meta = {
     homepage = "https://github.com/meiersi/blaze-builder-enumerator";
-    description = "Enumeratees for the incremental conversion of builders to
-bytestrings.";
+    description = "Enumeratees for the incremental conversion of builders to bytestrings";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/blaze-builder/default.nix b/pkgs/development/libraries/haskell/blaze-builder/default.nix
index 312d4d9332f..3a20e5d0cb1 100644
--- a/pkgs/development/libraries/haskell/blaze-builder/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-builder/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ text ];
   meta = {
     homepage = "http://github.com/meiersi/blaze-builder";
-    description = "Efficient buffered output.";
+    description = "Efficient buffered output";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/bmp/default.nix b/pkgs/development/libraries/haskell/bmp/default.nix
index c507a08ac5f..2c08676d9c4 100644
--- a/pkgs/development/libraries/haskell/bmp/default.nix
+++ b/pkgs/development/libraries/haskell/bmp/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ binary ];
   meta = {
     homepage = "http://code.ouroborus.net/bmp";
-    description = "Read and write uncompressed BMP image files.";
+    description = "Read and write uncompressed BMP image files";
     license = self.stdenv.lib.licenses.mit;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/bytestring-nums/default.nix b/pkgs/development/libraries/haskell/bytestring-nums/default.nix
index f295c8a1781..4a480b07931 100644
--- a/pkgs/development/libraries/haskell/bytestring-nums/default.nix
+++ b/pkgs/development/libraries/haskell/bytestring-nums/default.nix
@@ -8,7 +8,7 @@ cabal.mkDerivation (self: {
   isExecutable = true;
   meta = {
     homepage = "http://github.com/solidsnack/bytestring-nums";
-    description = "Parse numeric literals from ByteStrings.";
+    description = "Parse numeric literals from ByteStrings";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/bytestring-trie/default.nix b/pkgs/development/libraries/haskell/bytestring-trie/default.nix
index ab0cdcc402f..1dc56c420b6 100644
--- a/pkgs/development/libraries/haskell/bytestring-trie/default.nix
+++ b/pkgs/development/libraries/haskell/bytestring-trie/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ binary ];
   meta = {
     homepage = "http://code.haskell.org/~wren/";
-    description = "An efficient finite map from (byte)strings to values.";
+    description = "An efficient finite map from (byte)strings to values";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/clientsession/default.nix b/pkgs/development/libraries/haskell/clientsession/default.nix
index b222d180e76..4aeeebe2d9e 100644
--- a/pkgs/development/libraries/haskell/clientsession/default.nix
+++ b/pkgs/development/libraries/haskell/clientsession/default.nix
@@ -8,7 +8,7 @@ cabal.mkDerivation (self: {
   isExecutable = true;
   meta = {
     homepage = "http://github.com/snoyberg/clientsession/tree/master";
-    description = "Store session data in a cookie.";
+    description = "Store session data in a cookie";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/continued-fractions/default.nix b/pkgs/development/libraries/haskell/continued-fractions/default.nix
index 05a5dd3cde2..71801a324c3 100755
--- a/pkgs/development/libraries/haskell/continued-fractions/default.nix
+++ b/pkgs/development/libraries/haskell/continued-fractions/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "07g6ms68xfzd25zr2k2fpg4f4pynmq4mn7djkzrg3gbfh9gfq37q";
   meta = {
     homepage = "/dev/null";
-    description = "Continued fractions.";
+    description = "Continued fractions";
     license = self.stdenv.lib.licenses.publicDomain;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/control-monad-attempt/default.nix b/pkgs/development/libraries/haskell/control-monad-attempt/default.nix
index fbcd104b99b..06571080b7b 100644
--- a/pkgs/development/libraries/haskell/control-monad-attempt/default.nix
+++ b/pkgs/development/libraries/haskell/control-monad-attempt/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ attempt transformers ];
   meta = {
     homepage = "http://github.com/snoyberg/control-monad-attempt";
-    description = "Monad transformer for attempt.";
+    description = "Monad transformer for attempt";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/cprng-aes/default.nix b/pkgs/development/libraries/haskell/cprng-aes/default.nix
index 70a099bb4f6..d0b1bcb38d8 100644
--- a/pkgs/development/libraries/haskell/cprng-aes/default.nix
+++ b/pkgs/development/libraries/haskell/cprng-aes/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ cereal cryptoApi cryptocipher ];
   meta = {
     homepage = "http://github.com/vincenthz/hs-cprng-aes";
-    description = "Crypto Pseudo Random Number Generator using AES in counter mode.";
+    description = "Crypto Pseudo Random Number Generator using AES in counter mode";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/css-text/default.nix b/pkgs/development/libraries/haskell/css-text/default.nix
index 5b1ce5d3431..adca7acbc59 100644
--- a/pkgs/development/libraries/haskell/css-text/default.nix
+++ b/pkgs/development/libraries/haskell/css-text/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ attoparsecText text ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "CSS parser and renderer.";
+    description = "CSS parser and renderer";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/data-reify/default.nix b/pkgs/development/libraries/haskell/data-reify/default.nix
index e45b9f45df9..2618ef6a690 100644
--- a/pkgs/development/libraries/haskell/data-reify/default.nix
+++ b/pkgs/development/libraries/haskell/data-reify/default.nix
@@ -8,7 +8,7 @@ cabal.mkDerivation (self: {
   isExecutable = true;
   meta = {
     homepage = "http://www.ittc.ku.edu/csdl/fpg/Tools/IOReification";
-    description = "Reify a recursive data structure into an explicit graph.";
+    description = "Reify a recursive data structure into an explicit graph";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/digest/default.nix b/pkgs/development/libraries/haskell/digest/default.nix
index 67ebad2a4f1..b13f156a3e8 100644
--- a/pkgs/development/libraries/haskell/digest/default.nix
+++ b/pkgs/development/libraries/haskell/digest/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "15gj3iq3jm4lnkc6hnj9v8p8ia3yzbsajwf9by3b1kpl449k2h29";
   extraLibraries = [ zlib ];
   meta = {
-    description = "Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now.";
+    description = "Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/dimensional/default.nix b/pkgs/development/libraries/haskell/dimensional/default.nix
index 2290c932383..aaf5c700299 100644
--- a/pkgs/development/libraries/haskell/dimensional/default.nix
+++ b/pkgs/development/libraries/haskell/dimensional/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ numtype time ];
   meta = {
     homepage = "http://dimensional.googlecode.com/";
-    description = "Statically checked physical dimensions.";
+    description = "Statically checked physical dimensions";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/erf/default.nix b/pkgs/development/libraries/haskell/erf/default.nix
index cbb456b0072..25d64b3faaf 100644
--- a/pkgs/development/libraries/haskell/erf/default.nix
+++ b/pkgs/development/libraries/haskell/erf/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "2.0.0.0";
   sha256 = "0dxk2r32ajmmc05vaxcp0yw6vgv4lkbmh8jcshncn98xgsfbgw14";
   meta = {
-    description = "The error function, erf, and related functions.";
+    description = "The error function, erf, and related functions";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/failure/default.nix b/pkgs/development/libraries/haskell/failure/default.nix
index de33ed8647f..b481fb39e54 100644
--- a/pkgs/development/libraries/haskell/failure/default.nix
+++ b/pkgs/development/libraries/haskell/failure/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "15zkhnxkfsd3qf4wmcp6kcfip9ahb4s3ywnh14whmhicp9mkm3q0";
   meta = {
     homepage = "http://www.haskell.org/haskellwiki/Failure";
-    description = "A simple type class for success/failure computations.";
+    description = "A simple type class for success/failure computations";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/fclabels/default.nix b/pkgs/development/libraries/haskell/fclabels/default.nix
index 4e02774d72b..765adb3ece7 100644
--- a/pkgs/development/libraries/haskell/fclabels/default.nix
+++ b/pkgs/development/libraries/haskell/fclabels/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "0ish0gy2f3q65c9f4ix0nhcid9kpr7faijxkmwcy9bymjfg441kf";
   buildDepends = [ mtl ];
   meta = {
-    description = "First class accessor labels implemented as lenses.";
+    description = "First class accessor labels implemented as lenses";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/file-embed/default.nix b/pkgs/development/libraries/haskell/file-embed/default.nix
index fe1a221bee0..d24d30adfcb 100644
--- a/pkgs/development/libraries/haskell/file-embed/default.nix
+++ b/pkgs/development/libraries/haskell/file-embed/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "156ydqljhxp16192s4pj6h8jcvrfmj2lnsvzy0zg394wi97bxpi2";
   meta = {
     homepage = "http://github.com/snoyberg/file-embed/tree/master";
-    description = "Use Template Haskell to embed file contents directly.";
+    description = "Use Template Haskell to embed file contents directly";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/filepath/default.nix b/pkgs/development/libraries/haskell/filepath/default.nix
index 311bbd56d58..809494c7ae9 100644
--- a/pkgs/development/libraries/haskell/filepath/default.nix
+++ b/pkgs/development/libraries/haskell/filepath/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "14jji7byjlkzsylsnqwfsiw5vsc7nlaisqabzcw9f7nhrxkq2n20";
   meta = {
     homepage = "http://www-users.cs.york.ac.uk/~ndm/filepath/";
-    description = "Library for manipulating FilePaths in a cross platform way.";
+    description = "Library for manipulating FilePaths in a cross platform way";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/filestore/default.nix b/pkgs/development/libraries/haskell/filestore/default.nix
index 553ea9f20a6..4c4214f0317 100644
--- a/pkgs/development/libraries/haskell/filestore/default.nix
+++ b/pkgs/development/libraries/haskell/filestore/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ Diff parsec split time utf8String xml ];
   meta = {
     homepage = "http://johnmacfarlane.net/repos/filestore";
-    description = "Interface for versioning file stores.";
+    description = "Interface for versioning file stores";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/flexible-defaults/default.nix b/pkgs/development/libraries/haskell/flexible-defaults/default.nix
index 71ed96d78d7..a80c18757dc 100755
--- a/pkgs/development/libraries/haskell/flexible-defaults/default.nix
+++ b/pkgs/development/libraries/haskell/flexible-defaults/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ transformers ];
   meta = {
     homepage = "https://github.com/mokus0/flexible-defaults";
-    description = "Generate default function implementations for complex type classes.";
+    description = "Generate default function implementations for complex type classes";
     license = self.stdenv.lib.licenses.publicDomain;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/gamma/default.nix b/pkgs/development/libraries/haskell/gamma/default.nix
index c33e0232449..523b9d233ca 100755
--- a/pkgs/development/libraries/haskell/gamma/default.nix
+++ b/pkgs/development/libraries/haskell/gamma/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ continuedFractions converge vector ];
   meta = {
     homepage = "https://github.com/mokus0/gamma";
-    description = "Gamma function and related functions.";
+    description = "Gamma function and related functions";
     license = self.stdenv.lib.licenses.publicDomain;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/ghc-mtl/default.nix b/pkgs/development/libraries/haskell/ghc-mtl/default.nix
index e1fd5ac1451..43a8deaf915 100644
--- a/pkgs/development/libraries/haskell/ghc-mtl/default.nix
+++ b/pkgs/development/libraries/haskell/ghc-mtl/default.nix
@@ -7,8 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ MonadCatchIOMtl mtl ];
   meta = {
     homepage = "http://code.haskell.org/~jcpetruzza/ghc-mtl";
-    description = "An mtl compatible version of the Ghc-Api monads
-and monad-transformers.";
+    description = "An mtl compatible version of the Ghc-Api monads and monad-transformers";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/ghc-syb-utils/default.nix b/pkgs/development/libraries/haskell/ghc-syb-utils/default.nix
index 625946a97b4..ce2cb87c096 100644
--- a/pkgs/development/libraries/haskell/ghc-syb-utils/default.nix
+++ b/pkgs/development/libraries/haskell/ghc-syb-utils/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ syb ];
   meta = {
     homepage = "http://github.com/nominolo/ghc-syb";
-    description = "Scrap Your Boilerplate utilities for the GHC API.";
+    description = "Scrap Your Boilerplate utilities for the GHC API";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/ghc-syb/default.nix b/pkgs/development/libraries/haskell/ghc-syb/default.nix
index 502a7fd4017..d0a766940fe 100644
--- a/pkgs/development/libraries/haskell/ghc-syb/default.nix
+++ b/pkgs/development/libraries/haskell/ghc-syb/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "0052bd2ee4d92fbb010bebc7bcfd533a0b78437f1fb0834288ce979c103d9d67";
   meta = {
     homepage = "http://github.com/nominolo/ghc-syb";
-    description = "Data and Typeable instances for the GHC API.";
+    description = "Data and Typeable instances for the GHC API";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/gitit/default.nix b/pkgs/development/libraries/haskell/gitit/default.nix
index 4f453cd0b70..d84dbd368cc 100644
--- a/pkgs/development/libraries/haskell/gitit/default.nix
+++ b/pkgs/development/libraries/haskell/gitit/default.nix
@@ -19,7 +19,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/jgm/gitit/tree/master";
-    description = "Wiki using happstack, git or darcs, and pandoc.";
+    description = "Wiki using happstack, git or darcs, and pandoc";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/graphviz/default.nix b/pkgs/development/libraries/haskell/graphviz/default.nix
index 57b9da5cf00..1f35fdf6bb9 100644
--- a/pkgs/development/libraries/haskell/graphviz/default.nix
+++ b/pkgs/development/libraries/haskell/graphviz/default.nix
@@ -12,7 +12,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://projects.haskell.org/graphviz/";
-    description = "Graphviz bindings for Haskell.";
+    description = "Graphviz bindings for Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix b/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix
index 6ca866c9548..9b0fe07653c 100644
--- a/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix
+++ b/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildTools = [ alex happy ];
   meta = {
     homepage = "http://www.haskell.org/gtk2hs/";
-    description = "Tools to build the Gtk2Hs suite of User Interface libraries.";
+    description = "Tools to build the Gtk2Hs suite of User Interface libraries";
     license = self.stdenv.lib.licenses.gpl2;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/happstack/happstack-server.nix b/pkgs/development/libraries/haskell/happstack/happstack-server.nix
index 2461bb1eaa9..682faaf9ada 100644
--- a/pkgs/development/libraries/haskell/happstack/happstack-server.nix
+++ b/pkgs/development/libraries/haskell/happstack/happstack-server.nix
@@ -16,7 +16,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://happstack.com";
-    description = "Web related tools and services.";
+    description = "Web related tools and services";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/hashed-storage/default.nix b/pkgs/development/libraries/haskell/hashed-storage/default.nix
index e9a67f7d673..4fec8aeb357 100644
--- a/pkgs/development/libraries/haskell/hashed-storage/default.nix
+++ b/pkgs/development/libraries/haskell/hashed-storage/default.nix
@@ -10,7 +10,7 @@ cabal.mkDerivation (self: {
     binary dataenc extensibleExceptions mmap mtl zlib
   ];
   meta = {
-    description = "Hashed file storage support code.";
+    description = "Hashed file storage support code";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/haskeline/default.nix b/pkgs/development/libraries/haskell/haskeline/default.nix
index aa40c1ef267..74a7bd49920 100644
--- a/pkgs/development/libraries/haskell/haskeline/default.nix
+++ b/pkgs/development/libraries/haskell/haskeline/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ extensibleExceptions mtl terminfo utf8String ];
   meta = {
     homepage = "http://trac.haskell.org/haskeline";
-    description = "A command-line interface for user input, written in Haskell.";
+    description = "A command-line interface for user input, written in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/haskell-lexer/default.nix b/pkgs/development/libraries/haskell/haskell-lexer/default.nix
index f45e29d788a..90c4a599bc4 100644
--- a/pkgs/development/libraries/haskell/haskell-lexer/default.nix
+++ b/pkgs/development/libraries/haskell/haskell-lexer/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "1.0";
   sha256 = "86d0c4071295c8613eb965768cb61a0c8422fc0c429a49c7a93e93a72b185b86";
   meta = {
-    description = "A fully compliant Haskell 98 lexer.";
+    description = "A fully compliant Haskell 98 lexer";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/haskell-src-meta/default.nix b/pkgs/development/libraries/haskell/haskell-src-meta/default.nix
index 5090b20b2a8..2dfdedefc1c 100644
--- a/pkgs/development/libraries/haskell/haskell-src-meta/default.nix
+++ b/pkgs/development/libraries/haskell/haskell-src-meta/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "10g74sax8x45lphy133717y9xb43d8a684mm9qv0arjwn5v4np7s";
   buildDepends = [ haskellSrcExts syb thLift ];
   meta = {
-    description = "Parse source to template-haskell abstract syntax.";
+    description = "Parse source to template-haskell abstract syntax";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/haxr-th/default.nix b/pkgs/development/libraries/haskell/haxr-th/default.nix
index 428f001bd05..83917cf8891 100644
--- a/pkgs/development/libraries/haskell/haxr-th/default.nix
+++ b/pkgs/development/libraries/haskell/haxr-th/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ haxr ];
   meta = {
     homepage = "http://www.haskell.org/haxr/";
-    description = "Automatic deriving of XML-RPC structs for Haskell records.";
+    description = "Automatic deriving of XML-RPC structs for Haskell records";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/haxr/default.nix b/pkgs/development/libraries/haskell/haxr/default.nix
index ebdff109204..0a6bdcba3b8 100644
--- a/pkgs/development/libraries/haskell/haxr/default.nix
+++ b/pkgs/development/libraries/haskell/haxr/default.nix
@@ -11,7 +11,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://www.haskell.org/haskellwiki/HaXR";
-    description = "XML-RPC client and server library.";
+    description = "XML-RPC client and server library";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/hledger-chart/default.nix b/pkgs/development/libraries/haskell/hledger-chart/default.nix
index d0beb457ceb..f20c2daf541 100644
--- a/pkgs/development/libraries/haskell/hledger-chart/default.nix
+++ b/pkgs/development/libraries/haskell/hledger-chart/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ Chart colour hledger hledgerLib safe ];
   meta = {
     homepage = "http://hledger.org";
-    description = "A pie chart generator for the hledger accounting tool.";
+    description = "A pie chart generator for the hledger accounting tool";
     license = "GPL";
     platforms = self.stdenv.lib.platforms.linux;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/hledger-lib/default.nix b/pkgs/development/libraries/haskell/hledger-lib/default.nix
index 234294da355..569bd7c5291 100644
--- a/pkgs/development/libraries/haskell/hledger-lib/default.nix
+++ b/pkgs/development/libraries/haskell/hledger-lib/default.nix
@@ -10,7 +10,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://hledger.org";
-    description = "Reusable types and utilities for the hledger accounting tool and financial apps in general.";
+    description = "Reusable types and utilities for the hledger accounting tool and financial apps in general";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/hledger-vty/default.nix b/pkgs/development/libraries/haskell/hledger-vty/default.nix
index 7b82800e40c..fa9d5ddab34 100644
--- a/pkgs/development/libraries/haskell/hledger-vty/default.nix
+++ b/pkgs/development/libraries/haskell/hledger-vty/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ hledger hledgerLib safe vty ];
   meta = {
     homepage = "http://hledger.org";
-    description = "A curses-style interface for the hledger accounting tool.";
+    description = "A curses-style interface for the hledger accounting tool";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/hledger/default.nix b/pkgs/development/libraries/haskell/hledger/default.nix
index e80e005e12e..9b1f8eb34f8 100644
--- a/pkgs/development/libraries/haskell/hledger/default.nix
+++ b/pkgs/development/libraries/haskell/hledger/default.nix
@@ -14,7 +14,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://hledger.org";
-    description = "A robust command-line accounting tool with a simple human-editable data format, similar to ledger.";
+    description = "A robust command-line accounting tool with a simple human-editable data format, similar to ledger";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/hscolour/default.nix b/pkgs/development/libraries/haskell/hscolour/default.nix
index 81ff3272218..9992faf048c 100644
--- a/pkgs/development/libraries/haskell/hscolour/default.nix
+++ b/pkgs/development/libraries/haskell/hscolour/default.nix
@@ -8,7 +8,7 @@ cabal.mkDerivation (self: {
   isExecutable = true;
   meta = {
     homepage = "http://code.haskell.org/~malcolm/hscolour/";
-    description = "Colourise Haskell code.";
+    description = "Colourise Haskell code";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/http-enumerator/default.nix b/pkgs/development/libraries/haskell/http-enumerator/default.nix
index f91acb2054b..aad78d39ac0 100644
--- a/pkgs/development/libraries/haskell/http-enumerator/default.nix
+++ b/pkgs/development/libraries/haskell/http-enumerator/default.nix
@@ -19,7 +19,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/http-enumerator";
-    description = "HTTP client package with enumerator interface and HTTPS support.";
+    description = "HTTP client package with enumerator interface and HTTPS support";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/http-types/default.nix b/pkgs/development/libraries/haskell/http-types/default.nix
index dbd36e5429f..4966803af36 100644
--- a/pkgs/development/libraries/haskell/http-types/default.nix
+++ b/pkgs/development/libraries/haskell/http-types/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ blazeBuilder caseInsensitive text ];
   meta = {
     homepage = "https://github.com/aristidb/http-types";
-    description = "Generic HTTP types for Haskell (for both client and server code).";
+    description = "Generic HTTP types for Haskell (for both client and server code)";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/irc/default.nix b/pkgs/development/libraries/haskell/irc/default.nix
index 8b4254508e6..be3818cb7d8 100644
--- a/pkgs/development/libraries/haskell/irc/default.nix
+++ b/pkgs/development/libraries/haskell/irc/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "1bbxlmb6jzz0zw18nr3d6lgd83vi9hrjahfcf1dswc946wi31s97";
   buildDepends = [ parsec ];
   meta = {
-    description = "A small library for parsing IRC messages.";
+    description = "A small library for parsing IRC messages";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/jsonEnumerator/default.nix b/pkgs/development/libraries/haskell/jsonEnumerator/default.nix
index 7335bd53ade..a4003821285 100644
--- a/pkgs/development/libraries/haskell/jsonEnumerator/default.nix
+++ b/pkgs/development/libraries/haskell/jsonEnumerator/default.nix
@@ -12,7 +12,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/json-enumerator";
-    description = "Pure-Haskell utilities for dealing with JSON with the enumerator package.";
+    description = "Pure-Haskell utilities for dealing with JSON with the enumerator package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/largeword/default.nix b/pkgs/development/libraries/haskell/largeword/default.nix
index 303e0b68809..e526c757fd7 100644
--- a/pkgs/development/libraries/haskell/largeword/default.nix
+++ b/pkgs/development/libraries/haskell/largeword/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "1122isizlx807zv26j0sx71iw39nn3sja6mr2pf4sd456m1vmx8r";
   meta = {
     homepage = "http://trac.haskell.org/largeword/wiki";
-    description = "Provides Word128, Word192 and Word256 and a way of producing other large words if required.";
+    description = "Provides Word128, Word192 and Word256 and a way of producing other large words if required";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/mime-mail/default.nix b/pkgs/development/libraries/haskell/mime-mail/default.nix
index b496615346b..252dc8d44f4 100644
--- a/pkgs/development/libraries/haskell/mime-mail/default.nix
+++ b/pkgs/development/libraries/haskell/mime-mail/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ blazeBuilder dataenc text ];
   meta = {
     homepage = "http://github.com/snoyberg/mime-mail";
-    description = "Compose MIME email messages.";
+    description = "Compose MIME email messages";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/multiplate/default.nix b/pkgs/development/libraries/haskell/multiplate/default.nix
index 8bc6fa10929..13059f0183e 100644
--- a/pkgs/development/libraries/haskell/multiplate/default.nix
+++ b/pkgs/development/libraries/haskell/multiplate/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ transformers ];
   meta = {
     homepage = "http://haskell.org/haskellwiki/Multiplate";
-    description = "Lightweight generic library for mutually recursive data types.";
+    description = "Lightweight generic library for mutually recursive data types";
     license = self.stdenv.lib.licenses.mit;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/murmur-hash/default.nix b/pkgs/development/libraries/haskell/murmur-hash/default.nix
index ae8d7b6e30b..468c18f9051 100644
--- a/pkgs/development/libraries/haskell/murmur-hash/default.nix
+++ b/pkgs/development/libraries/haskell/murmur-hash/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "08nvdv3r5scqpdcivwp0d77dl4vpkgq58rzxv1xpb8r1krqy588d";
   meta = {
     homepage = "http://github.com/nominolo/murmur-hash";
-    description = "MurmurHash2 implementation for Haskell.";
+    description = "MurmurHash2 implementation for Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/neither/default.nix b/pkgs/development/libraries/haskell/neither/default.nix
index 8aa7bbde037..6bea3c10844 100644
--- a/pkgs/development/libraries/haskell/neither/default.nix
+++ b/pkgs/development/libraries/haskell/neither/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ failure monadPeel transformers ];
   meta = {
     homepage = "http://github.com/snoyberg/neither";
-    description = "Provide versions of Either with good monad and applicative instances.";
+    description = "Provide versions of Either with good monad and applicative instances";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/numtype/default.nix b/pkgs/development/libraries/haskell/numtype/default.nix
index 9c91fbb90cc..b55e0c50b4b 100644
--- a/pkgs/development/libraries/haskell/numtype/default.nix
+++ b/pkgs/development/libraries/haskell/numtype/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "2606e81d7bcef0ba76b1e6ffc8d513c36fef5fefaab3bdd02da18761ec504e1f";
   meta = {
     homepage = "http://dimensional.googlecode.com/";
-    description = "Type-level (low cardinality) integers.";
+    description = "Type-level (low cardinality) integers";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/path-pieces/default.nix b/pkgs/development/libraries/haskell/path-pieces/default.nix
index d800a44aae4..6230ac2e8a3 100755
--- a/pkgs/development/libraries/haskell/path-pieces/default.nix
+++ b/pkgs/development/libraries/haskell/path-pieces/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ text ];
   meta = {
     homepage = "http://github.com/snoyberg/path-pieces";
-    description = "Components of paths.";
+    description = "Components of paths";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/persistent-template/default.nix b/pkgs/development/libraries/haskell/persistent-template/default.nix
index b005f982206..c3df4263d43 100644
--- a/pkgs/development/libraries/haskell/persistent-template/default.nix
+++ b/pkgs/development/libraries/haskell/persistent-template/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ monadControl persistent text webRoutesQuasi ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Type-safe, non-relational, multi-backend persistence.";
+    description = "Type-safe, non-relational, multi-backend persistence";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/persistent/default.nix b/pkgs/development/libraries/haskell/persistent/default.nix
index a3c3d4344f8..62493687786 100644
--- a/pkgs/development/libraries/haskell/persistent/default.nix
+++ b/pkgs/development/libraries/haskell/persistent/default.nix
@@ -15,7 +15,7 @@ cabal.mkDerivation (self: {
   extraLibraries = [ sqlite ];
   meta = {
     homepage = "http://docs.yesodweb.com/book/persistent";
-    description = "Type-safe, non-relational, multi-backend persistence.";
+    description = "Type-safe, non-relational, multi-backend persistence";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/polyparse/1.4.nix b/pkgs/development/libraries/haskell/polyparse/1.4.nix
index 058d0e9b443..d47748f5356 100644
--- a/pkgs/development/libraries/haskell/polyparse/1.4.nix
+++ b/pkgs/development/libraries/haskell/polyparse/1.4.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "6e599fb0771e8ce2e1d3a3bbe5eddc2d77b2b4bbb54602f01005dc55dc039d44";
   meta = {
     homepage = "http://www.cs.york.ac.uk/fp/polyparse/";
-    description = "A variety of alternative parser combinator libraries.";
+    description = "A variety of alternative parser combinator libraries";
     license = "LGPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/polyparse/1.7.nix b/pkgs/development/libraries/haskell/polyparse/1.7.nix
index 949ba08acb1..b27dc9cc695 100644
--- a/pkgs/development/libraries/haskell/polyparse/1.7.nix
+++ b/pkgs/development/libraries/haskell/polyparse/1.7.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ text ];
   meta = {
     homepage = "http://code.haskell.org/~malcolm/polyparse/";
-    description = "A variety of alternative parser combinator libraries.";
+    description = "A variety of alternative parser combinator libraries";
     license = "LGPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/pool/default.nix b/pkgs/development/libraries/haskell/pool/default.nix
index 40c5d136aad..eae26f81b3a 100644
--- a/pkgs/development/libraries/haskell/pool/default.nix
+++ b/pkgs/development/libraries/haskell/pool/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ monadControl transformers ];
   meta = {
     homepage = "http://github.com/snoyberg/pool";
-    description = "Thread-safe resource pools.";
+    description = "Thread-safe resource pools";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/pretty-show/default.nix b/pkgs/development/libraries/haskell/pretty-show/default.nix
index 28d322cca51..deb9e731ebd 100644
--- a/pkgs/development/libraries/haskell/pretty-show/default.nix
+++ b/pkgs/development/libraries/haskell/pretty-show/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ haskellLexer ];
   meta = {
     homepage = "http://wiki.github.com/yav/pretty-show";
-    description = "Tools for working with derived Show instances.";
+    description = "Tools for working with derived Show instances";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/pureMD5/default.nix b/pkgs/development/libraries/haskell/pureMD5/default.nix
index 974a35d8307..2dfc0091799 100644
--- a/pkgs/development/libraries/haskell/pureMD5/default.nix
+++ b/pkgs/development/libraries/haskell/pureMD5/default.nix
@@ -8,7 +8,7 @@ cabal.mkDerivation (self: {
   isExecutable = true;
   buildDepends = [ binary cereal cryptoApi tagged ];
   meta = {
-    description = "A Haskell-only implementation of the MD5 digest (hash) algorithm.";
+    description = "A Haskell-only implementation of the MD5 digest (hash) algorithm";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/pwstore-fast/default.nix b/pkgs/development/libraries/haskell/pwstore-fast/default.nix
index c79a97117fb..c110c03e91a 100644
--- a/pkgs/development/libraries/haskell/pwstore-fast/default.nix
+++ b/pkgs/development/libraries/haskell/pwstore-fast/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ base64Bytestring cryptohash ];
   meta = {
     homepage = "https://github.com/PeterScott/pwstore";
-    description = "Secure password storage.";
+    description = "Secure password storage";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/random-shuffle/default.nix b/pkgs/development/libraries/haskell/random-shuffle/default.nix
index 5159eab96e3..bfca74da75c 100644
--- a/pkgs/development/libraries/haskell/random-shuffle/default.nix
+++ b/pkgs/development/libraries/haskell/random-shuffle/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.0.2";
   sha256 = "1csq0ffsqbbv6ymf707nzfb7c9bmykwk9bcgj21mxmh6khlqn9jp";
   meta = {
-    description = "Random shuffle implementation.";
+    description = "Random shuffle implementation";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/ranges/default.nix b/pkgs/development/libraries/haskell/ranges/default.nix
index 45f0ccb5d9a..d7c20f57123 100644
--- a/pkgs/development/libraries/haskell/ranges/default.nix
+++ b/pkgs/development/libraries/haskell/ranges/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.2.3";
   sha256 = "1jmybrwwvg8zkbxjrlrahfavlf2g2584ld15hzhch317683nvr1p";
   meta = {
-    description = "Ranges and various functions on them.";
+    description = "Ranges and various functions on them";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/recaptcha/default.nix b/pkgs/development/libraries/haskell/recaptcha/default.nix
index 286f89842a4..60747bbda68 100644
--- a/pkgs/development/libraries/haskell/recaptcha/default.nix
+++ b/pkgs/development/libraries/haskell/recaptcha/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ HTTP network xhtml ];
   meta = {
     homepage = "http://github.com/jgm/recaptcha/tree/master";
-    description = "Functions for using the reCAPTCHA service in web applications.";
+    description = "Functions for using the reCAPTCHA service in web applications";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/regular/default.nix b/pkgs/development/libraries/haskell/regular/default.nix
index e702937da29..8dd7e04ec79 100644
--- a/pkgs/development/libraries/haskell/regular/default.nix
+++ b/pkgs/development/libraries/haskell/regular/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.3.2";
   sha256 = "104rz28a22p5pn3rdzvmh13s1hpr46n463cfaz3w3bj9cimi2rcj";
   meta = {
-    description = "Generic programming library for regular datatypes.";
+    description = "Generic programming library for regular datatypes";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/repa-algorithms/default.nix b/pkgs/development/libraries/haskell/repa-algorithms/default.nix
index 6f0db0273eb..0ca84003fbf 100644
--- a/pkgs/development/libraries/haskell/repa-algorithms/default.nix
+++ b/pkgs/development/libraries/haskell/repa-algorithms/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ repa vector ];
   meta = {
     homepage = "http://repa.ouroborus.net";
-    description = "Algorithms using the Repa array library.";
+    description = "Algorithms using the Repa array library";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/repa-bytestring/default.nix b/pkgs/development/libraries/haskell/repa-bytestring/default.nix
index c9e86e67dc4..8dfe4159d53 100644
--- a/pkgs/development/libraries/haskell/repa-bytestring/default.nix
+++ b/pkgs/development/libraries/haskell/repa-bytestring/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ repa vector ];
   meta = {
     homepage = "http://repa.ouroborus.net";
-    description = "Conversions between Repa Arrays and ByteStrings.";
+    description = "Conversions between Repa Arrays and ByteStrings";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/repa-io/default.nix b/pkgs/development/libraries/haskell/repa-io/default.nix
index 88dbda9e976..000f412a3da 100644
--- a/pkgs/development/libraries/haskell/repa-io/default.nix
+++ b/pkgs/development/libraries/haskell/repa-io/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ bmp repa repaBytestring ];
   meta = {
     homepage = "http://repa.ouroborus.net";
-    description = "Read and write Repa arrays in various formats.";
+    description = "Read and write Repa arrays in various formats";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/repa/default.nix b/pkgs/development/libraries/haskell/repa/default.nix
index 7c089dfa072..b5667144103 100644
--- a/pkgs/development/libraries/haskell/repa/default.nix
+++ b/pkgs/development/libraries/haskell/repa/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ QuickCheck vector ];
   meta = {
     homepage = "http://repa.ouroborus.net";
-    description = "High performance, regular, shape polymorphic parallel arrays.";
+    description = "High performance, regular, shape polymorphic parallel arrays";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/salvia-protocol/default.nix b/pkgs/development/libraries/haskell/salvia-protocol/default.nix
index b26dd3e541e..dbd33c17036 100644
--- a/pkgs/development/libraries/haskell/salvia-protocol/default.nix
+++ b/pkgs/development/libraries/haskell/salvia-protocol/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "6b2312e52efaa81feec7461b1a3db77e1f2a8dfd829ae878b614c206a5e48928";
   buildDepends = [ bimap fclabels parsec safe split utf8String ];
   meta = {
-    description = "Salvia webserver protocol suite supporting URI, HTTP, Cookie and MIME.";
+    description = "Salvia webserver protocol suite supporting URI, HTTP, Cookie and MIME";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/salvia/default.nix b/pkgs/development/libraries/haskell/salvia/default.nix
index b5da23e10c9..053e8230ccc 100644
--- a/pkgs/development/libraries/haskell/salvia/default.nix
+++ b/pkgs/development/libraries/haskell/salvia/default.nix
@@ -13,7 +13,7 @@ cabal.mkDerivation (self: {
     utf8String
   ];
   meta = {
-    description = "Modular web application framework.";
+    description = "Modular web application framework";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/smallcheck/default.nix b/pkgs/development/libraries/haskell/smallcheck/default.nix
index 92dba79e5b4..a4106ea8002 100644
--- a/pkgs/development/libraries/haskell/smallcheck/default.nix
+++ b/pkgs/development/libraries/haskell/smallcheck/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.4";
   sha256 = "0nq13jm3akrmgk6n2clisip16v0jf1xkm0hm678v63s87hxqb1ma";
   meta = {
-    description = "Another lightweight testing library in Haskell.";
+    description = "Another lightweight testing library in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/split/default.nix b/pkgs/development/libraries/haskell/split/default.nix
index 05396e9108a..8463200e387 100644
--- a/pkgs/development/libraries/haskell/split/default.nix
+++ b/pkgs/development/libraries/haskell/split/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "0cdn2sb3m62bnxdz59diwwaxysh3kj4kk1srn4m80p03fj60s0q5";
   meta = {
     homepage = "http://code.haskell.org/~byorgey/code/split";
-    description = "Combinator library for splitting lists.";
+    description = "Combinator library for splitting lists";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/stateref/default.nix b/pkgs/development/libraries/haskell/stateref/default.nix
index fc59bd89158..b14fd6ebade 100644
--- a/pkgs/development/libraries/haskell/stateref/default.nix
+++ b/pkgs/development/libraries/haskell/stateref/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ mtl stm ];
   meta = {
     homepage = "http://code.haskell.org/~mokus/stateref/";
-    description = "Abstraction for things that work like IORef.";
+    description = "Abstraction for things that work like IORef";
     license = self.stdenv.lib.licenses.publicDomain;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/strict/default.nix b/pkgs/development/libraries/haskell/strict/default.nix
index 8ba4315b1e0..99239884b0a 100644
--- a/pkgs/development/libraries/haskell/strict/default.nix
+++ b/pkgs/development/libraries/haskell/strict/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "08cjajqz9h47fkq98mlf3rc8n5ghbmnmgn8pfsl3bdldjdkmmlrc";
   meta = {
     homepage = "http://www.cse.unsw.edu.au/~rl/code/strict.html";
-    description = "Strict data types and String IO.";
+    description = "Strict data types and String IO";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/test-framework-hunit/default.nix b/pkgs/development/libraries/haskell/test-framework-hunit/default.nix
index 5c9eae910a0..7c22d81b2fc 100644
--- a/pkgs/development/libraries/haskell/test-framework-hunit/default.nix
+++ b/pkgs/development/libraries/haskell/test-framework-hunit/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ HUnit extensibleExceptions testFramework ];
   meta = {
     homepage = "http://batterseapower.github.com/test-framework/";
-    description = "HUnit support for the test-framework package.";
+    description = "HUnit support for the test-framework package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/test-framework-quickcheck/default.nix b/pkgs/development/libraries/haskell/test-framework-quickcheck/default.nix
index 475d1bb3c04..88c5f06f43d 100644
--- a/pkgs/development/libraries/haskell/test-framework-quickcheck/default.nix
+++ b/pkgs/development/libraries/haskell/test-framework-quickcheck/default.nix
@@ -10,7 +10,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://batterseapower.github.com/test-framework/";
-    description = "QuickCheck support for the test-framework package.";
+    description = "QuickCheck support for the test-framework package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/test-framework-quickcheck2/default.nix b/pkgs/development/libraries/haskell/test-framework-quickcheck2/default.nix
index 7c5ed9331be..64dabb65b0a 100644
--- a/pkgs/development/libraries/haskell/test-framework-quickcheck2/default.nix
+++ b/pkgs/development/libraries/haskell/test-framework-quickcheck2/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ QuickCheck extensibleExceptions testFramework ];
   meta = {
     homepage = "http://batterseapower.github.com/test-framework/";
-    description = "QuickCheck2 support for the test-framework package.";
+    description = "QuickCheck2 support for the test-framework package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/texmath/0.4.nix b/pkgs/development/libraries/haskell/texmath/0.4.nix
index afaece76ace..a59120015dd 100644
--- a/pkgs/development/libraries/haskell/texmath/0.4.nix
+++ b/pkgs/development/libraries/haskell/texmath/0.4.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ parsec syb xml ];
   meta = {
     homepage = "http://github.com/jgm/texmath";
-    description = "Conversion of LaTeX math formulas to MathML.";
+    description = "Conversion of LaTeX math formulas to MathML";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/texmath/0.5.0.1.nix b/pkgs/development/libraries/haskell/texmath/0.5.0.1.nix
index ddf7889257b..f82e98703c7 100644
--- a/pkgs/development/libraries/haskell/texmath/0.5.0.1.nix
+++ b/pkgs/development/libraries/haskell/texmath/0.5.0.1.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ parsec syb xml ];
   meta = {
     homepage = "http://github.com/jgm/texmath";
-    description = "Conversion of LaTeX math formulas to MathML.";
+    description = "Conversion of LaTeX math formulas to MathML";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/text/0.11.0.5.nix b/pkgs/development/libraries/haskell/text/0.11.0.5.nix
index 4a6ab49403d..b997c60868b 100644
--- a/pkgs/development/libraries/haskell/text/0.11.0.5.nix
+++ b/pkgs/development/libraries/haskell/text/0.11.0.5.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ deepseq ];
   meta = {
     homepage = "http://bitbucket.org/bos/text";
-    description = "An efficient packed Unicode text type.";
+    description = "An efficient packed Unicode text type";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/text/0.11.0.6.nix b/pkgs/development/libraries/haskell/text/0.11.0.6.nix
index 1b8d1cea29d..5c593235dee 100644
--- a/pkgs/development/libraries/haskell/text/0.11.0.6.nix
+++ b/pkgs/development/libraries/haskell/text/0.11.0.6.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ deepseq ];
   meta = {
     homepage = "http://bitbucket.org/bos/text";
-    description = "An efficient packed Unicode text type.";
+    description = "An efficient packed Unicode text type";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/text/0.11.1.5.nix b/pkgs/development/libraries/haskell/text/0.11.1.5.nix
index 06dc550191c..db438a54bc2 100644
--- a/pkgs/development/libraries/haskell/text/0.11.1.5.nix
+++ b/pkgs/development/libraries/haskell/text/0.11.1.5.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ deepseq ];
   meta = {
     homepage = "https://bitbucket.org/bos/text";
-    description = "An efficient packed Unicode text type.";
+    description = "An efficient packed Unicode text type";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/th-lift/default.nix b/pkgs/development/libraries/haskell/th-lift/default.nix
index 3e481857ae8..940f8701ef7 100644
--- a/pkgs/development/libraries/haskell/th-lift/default.nix
+++ b/pkgs/development/libraries/haskell/th-lift/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.5.3";
   sha256 = "15jynhl1ly0zhk2g9rm8vxas9p76w1lfxqhjw5rfb8s5k1w73fil";
   meta = {
-    description = "Derive Template Haskell's Lift class for datatypes.";
+    description = "Derive Template Haskell's Lift class for datatypes";
     license = "unknown";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/uniplate/default.nix b/pkgs/development/libraries/haskell/uniplate/default.nix
index d9dff48b850..2311aa7ea0e 100644
--- a/pkgs/development/libraries/haskell/uniplate/default.nix
+++ b/pkgs/development/libraries/haskell/uniplate/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ syb ];
   meta = {
     homepage = "http://community.haskell.org/~ndm/uniplate/";
-    description = "Help writing simple, concise and fast generic operations.";
+    description = "Help writing simple, concise and fast generic operations";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/unix-compat/default.nix b/pkgs/development/libraries/haskell/unix-compat/default.nix
index 6fc4a9f9b9a..34cbd4072f6 100644
--- a/pkgs/development/libraries/haskell/unix-compat/default.nix
+++ b/pkgs/development/libraries/haskell/unix-compat/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "009dg6mxjmdkcmr2d1qq9r3f4qfx4d362lyxj9vvgwrzcdnsgzqi";
   meta = {
     homepage = "http://github.com/jystic/unix-compat";
-    description = "Portable POSIX-compatibility layer.";
+    description = "Portable POSIX-compatibility layer";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/url/default.nix b/pkgs/development/libraries/haskell/url/default.nix
index 292879cad51..466d5309019 100644
--- a/pkgs/development/libraries/haskell/url/default.nix
+++ b/pkgs/development/libraries/haskell/url/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ utf8String ];
   meta = {
     homepage = "http://www.haskell.org/haskellwiki/Url";
-    description = "A library for working with URLs.";
+    description = "A library for working with URLs";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/uu-parsinglib/default.nix b/pkgs/development/libraries/haskell/uu-parsinglib/default.nix
index de7433171fb..de2d1e1f020 100644
--- a/pkgs/development/libraries/haskell/uu-parsinglib/default.nix
+++ b/pkgs/development/libraries/haskell/uu-parsinglib/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ ListLike time ];
   meta = {
     homepage = "http://www.cs.uu.nl/wiki/bin/view/HUT/ParserCombinators";
-    description = "Fast, online, error-correcting, monadic, applicative, merging, permuting, idiomatic parser combinators.";
+    description = "Fast, online, error-correcting, monadic, applicative, merging, permuting, idiomatic parser combinators";
     license = self.stdenv.lib.licenses.mit;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/wai-extra/default.nix b/pkgs/development/libraries/haskell/wai-extra/default.nix
index d29bbe21710..d18c6910a2e 100644
--- a/pkgs/development/libraries/haskell/wai-extra/default.nix
+++ b/pkgs/development/libraries/haskell/wai-extra/default.nix
@@ -13,7 +13,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/wai-extra";
-    description = "Provides some basic WAI handlers and middleware.";
+    description = "Provides some basic WAI handlers and middleware";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/wai/default.nix b/pkgs/development/libraries/haskell/wai/default.nix
index 9470f254fb0..e7d7d48d738 100644
--- a/pkgs/development/libraries/haskell/wai/default.nix
+++ b/pkgs/development/libraries/haskell/wai/default.nix
@@ -11,7 +11,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/wai";
-    description = "Web Application Interface.";
+    description = "Web Application Interface";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/warp/default.nix b/pkgs/development/libraries/haskell/warp/default.nix
index f034f1bf2e8..31297e10d06 100644
--- a/pkgs/development/libraries/haskell/warp/default.nix
+++ b/pkgs/development/libraries/haskell/warp/default.nix
@@ -13,7 +13,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/warp";
-    description = "A fast, light-weight web server for WAI applications.";
+    description = "A fast, light-weight web server for WAI applications";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/web-routes/default.nix b/pkgs/development/libraries/haskell/web-routes/default.nix
index a59d2cf48f2..aa5321c7f5f 100644
--- a/pkgs/development/libraries/haskell/web-routes/default.nix
+++ b/pkgs/development/libraries/haskell/web-routes/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "0gspjvk5859zwg55q8fjyz4a0d2p6lf2qwa41b8s6kcqi38nnp08";
   buildDepends = [ mtl network parsec utf8String ];
   meta = {
-    description = "Library for maintaining correctness and composability of URLs within an application.";
+    description = "Library for maintaining correctness and composability of URLs within an application";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/xml-enumerator/default.nix b/pkgs/development/libraries/haskell/xml-enumerator/default.nix
index cdf3f08d296..cf77f04379c 100644
--- a/pkgs/development/libraries/haskell/xml-enumerator/default.nix
+++ b/pkgs/development/libraries/haskell/xml-enumerator/default.nix
@@ -16,7 +16,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/snoyberg/xml-enumerator";
-    description = "Pure-Haskell utilities for dealing with XML with the enumerator package.";
+    description = "Pure-Haskell utilities for dealing with XML with the enumerator package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/xml/default.nix b/pkgs/development/libraries/haskell/xml/default.nix
index f7a5e966eb6..1125ac1b544 100644
--- a/pkgs/development/libraries/haskell/xml/default.nix
+++ b/pkgs/development/libraries/haskell/xml/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "1sx6k5dscpcy4aq09g7h0fz0sl4w2nrr4pnklgwrbrh6bf6kc6w2";
   meta = {
     homepage = "http://code.galois.com";
-    description = "A simple XML library.";
+    description = "A simple XML library";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yesod-auth/default.nix b/pkgs/development/libraries/haskell/yesod-auth/default.nix
index c0669742504..08f6428d4d5 100644
--- a/pkgs/development/libraries/haskell/yesod-auth/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-auth/default.nix
@@ -16,7 +16,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Authentication for Yesod.";
+    description = "Authentication for Yesod";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yesod-core/default.nix b/pkgs/development/libraries/haskell/yesod-core/default.nix
index e193fcca143..fda89256584 100644
--- a/pkgs/development/libraries/haskell/yesod-core/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-core/default.nix
@@ -17,7 +17,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Creation of type-safe, RESTful web applications.";
+    description = "Creation of type-safe, RESTful web applications";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yesod-json/default.nix b/pkgs/development/libraries/haskell/yesod-json/default.nix
index 907bc105871..982ebfdf1dc 100644
--- a/pkgs/development/libraries/haskell/yesod-json/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-json/default.nix
@@ -7,7 +7,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ aeson blazeTextual hamlet text vector yesodCore ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Generate content for Yesod using the aeson package.";
+    description = "Generate content for Yesod using the aeson package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yesod-persistent/default.nix b/pkgs/development/libraries/haskell/yesod-persistent/default.nix
index 065c604d0b9..866ece71ded 100644
--- a/pkgs/development/libraries/haskell/yesod-persistent/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-persistent/default.nix
@@ -11,7 +11,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Some helpers for using Persistent from Yesod.";
+    description = "Some helpers for using Persistent from Yesod";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yesod-static/default.nix b/pkgs/development/libraries/haskell/yesod-static/default.nix
index 03af3d832e3..281f14c862c 100644
--- a/pkgs/development/libraries/haskell/yesod-static/default.nix
+++ b/pkgs/development/libraries/haskell/yesod-static/default.nix
@@ -14,7 +14,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Static file serving subsite for Yesod Web Framework.";
+    description = "Static file serving subsite for Yesod Web Framework";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yesod/default.nix b/pkgs/development/libraries/haskell/yesod/default.nix
index 3a32b44b934..72af9d343e3 100644
--- a/pkgs/development/libraries/haskell/yesod/default.nix
+++ b/pkgs/development/libraries/haskell/yesod/default.nix
@@ -18,7 +18,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://www.yesodweb.com/";
-    description = "Creation of type-safe, RESTful web applications.";
+    description = "Creation of type-safe, RESTful web applications";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/yst/default.nix b/pkgs/development/libraries/haskell/yst/default.nix
index 9ca9534a154..7e097da1c16 100644
--- a/pkgs/development/libraries/haskell/yst/default.nix
+++ b/pkgs/development/libraries/haskell/yst/default.nix
@@ -14,8 +14,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://github.com/jgm/yst";
-    description = "Builds a static website from templates and data in YAML or
-CSV files.";
+    description = "Builds a static website from templates and data in YAML or CSV files";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/zip-archive/default.nix b/pkgs/development/libraries/haskell/zip-archive/default.nix
index cb75765df2e..327a1ec5141 100644
--- a/pkgs/development/libraries/haskell/zip-archive/default.nix
+++ b/pkgs/development/libraries/haskell/zip-archive/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ binary digest mtl utf8String zlib ];
   meta = {
     homepage = "http://github.com/jgm/zip-archive";
-    description = "Library for creating and modifying zip archives.";
+    description = "Library for creating and modifying zip archives";
     license = "GPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/libraries/haskell/zlib-bindings/default.nix b/pkgs/development/libraries/haskell/zlib-bindings/default.nix
index 4da607cc9c5..b5d4fbe83c5 100644
--- a/pkgs/development/libraries/haskell/zlib-bindings/default.nix
+++ b/pkgs/development/libraries/haskell/zlib-bindings/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ zlib ];
   meta = {
     homepage = "http://github.com/snoyberg/zlib-bindings";
-    description = "Low-level bindings to the zlib package.";
+    description = "Low-level bindings to the zlib package";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/tools/haskell/HaRe/default.nix b/pkgs/development/tools/haskell/HaRe/default.nix
index cdf522fd494..a7c2e74fa7e 100644
--- a/pkgs/development/tools/haskell/HaRe/default.nix
+++ b/pkgs/development/tools/haskell/HaRe/default.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ hint mtl network syb ];
   meta = {
     homepage = "http://www.cs.kent.ac.uk/projects/refactor-fp";
-    description = "the Haskell Refactorer.";
+    description = "the Haskell Refactorer";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/tools/haskell/tar/default.nix b/pkgs/development/tools/haskell/tar/default.nix
index 86c54e1c109..ef03d80f5e9 100644
--- a/pkgs/development/tools/haskell/tar/default.nix
+++ b/pkgs/development/tools/haskell/tar/default.nix
@@ -5,7 +5,7 @@ cabal.mkDerivation (self: {
   version = "0.3.1.0";
   sha256 = "1n16sq5y7x30r1k7ydxmncn9x2nx3diildzyfxjy2b8drxp4jr03";
   meta = {
-    description = "Reading, writing and manipulating .tar archive files.";
+    description = "Reading, writing and manipulating \".tar\" archive files.";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/development/tools/misc/cpphs/default.nix b/pkgs/development/tools/misc/cpphs/default.nix
index d0a7fa9fb9c..6d0ca9884d6 100644
--- a/pkgs/development/tools/misc/cpphs/default.nix
+++ b/pkgs/development/tools/misc/cpphs/default.nix
@@ -8,7 +8,7 @@ cabal.mkDerivation (self: {
   isExecutable = true;
   meta = {
     homepage = "http://haskell.org/cpphs/";
-    description = "A liberalised re-implementation of cpp, the C pre-processor.";
+    description = "A liberalised re-implementation of cpp, the C pre-processor";
     license = "LGPL";
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/tools/package-management/cabal-install/0.10.2.nix b/pkgs/tools/package-management/cabal-install/0.10.2.nix
index 0d8cf98a5e4..c6a9ac5b2d0 100644
--- a/pkgs/tools/package-management/cabal-install/0.10.2.nix
+++ b/pkgs/tools/package-management/cabal-install/0.10.2.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ HTTP network time zlib ];
   meta = {
     homepage = "http://www.haskell.org/cabal/";
-    description = "The command-line interface for Cabal and Hackage.";
+    description = "The command-line interface for Cabal and Hackage";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/tools/package-management/cabal-install/0.6.2.nix b/pkgs/tools/package-management/cabal-install/0.6.2.nix
index 3630257f227..640de0dba24 100644
--- a/pkgs/tools/package-management/cabal-install/0.6.2.nix
+++ b/pkgs/tools/package-management/cabal-install/0.6.2.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ HTTP network zlib ];
   meta = {
     homepage = "http://www.haskell.org/cabal/";
-    description = "The command-line interface for Cabal and Hackage.";
+    description = "The command-line interface for Cabal and Hackage";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/tools/package-management/cabal-install/0.8.0.nix b/pkgs/tools/package-management/cabal-install/0.8.0.nix
index dfe62e128c9..3269ffddfcc 100644
--- a/pkgs/tools/package-management/cabal-install/0.8.0.nix
+++ b/pkgs/tools/package-management/cabal-install/0.8.0.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ HTTP network time zlib ];
   meta = {
     homepage = "http://www.haskell.org/cabal/";
-    description = "The command-line interface for Cabal and Hackage.";
+    description = "The command-line interface for Cabal and Hackage";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [
diff --git a/pkgs/tools/package-management/cabal-install/0.8.2.nix b/pkgs/tools/package-management/cabal-install/0.8.2.nix
index c8fe02ea3b8..8851e3bcfdb 100644
--- a/pkgs/tools/package-management/cabal-install/0.8.2.nix
+++ b/pkgs/tools/package-management/cabal-install/0.8.2.nix
@@ -9,7 +9,7 @@ cabal.mkDerivation (self: {
   buildDepends = [ HTTP network time zlib ];
   meta = {
     homepage = "http://www.haskell.org/cabal/";
-    description = "The command-line interface for Cabal and Hackage.";
+    description = "The command-line interface for Cabal and Hackage";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [