diff --git a/pkgs/games/vassal/default.nix b/pkgs/games/vassal/default.nix
index c39d06408ae5..319453c80194 100644
--- a/pkgs/games/vassal/default.nix
+++ b/pkgs/games/vassal/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   forceShare = [ "man" "info" ];
 
   meta = with stdenv.lib; {
-      description = "A free, open-source boardgame engine.";
+      description = "A free, open-source boardgame engine";
       homepage = http://www.vassalengine.org/;
       license = licenses.lgpl21;
       maintainers = with maintainers; [ tvestelind ];