diff --git a/pkgs/development/libraries/haskell/hsyslog/default.nix b/pkgs/development/libraries/haskell/hsyslog/default.nix
index 2a531875e0b..3f475425659 100644
--- a/pkgs/development/libraries/haskell/hsyslog/default.nix
+++ b/pkgs/development/libraries/haskell/hsyslog/default.nix
@@ -6,7 +6,7 @@ cabal.mkDerivation (self: {
   sha256 = "1dpcawnl3a5lw2w8gc9920sjrw43qmq1k2zws8rx2q0r6ps7nhgp";
   meta = {
     homepage = "http://github.com/peti/hsyslog";
-    description = "FFI interface to syslog(3) from POSIX.1-2001";
+    description = "FFI interface to syslog(3) from POSIX.1-2001.";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
     maintainers = [