diff --git a/pkgs/by-name/co/color-transformation-language/package.nix b/pkgs/by-name/co/color-transformation-language/package.nix
index 5c20c08cf1c064b..4884668cdb40a07 100644
--- a/pkgs/by-name/co/color-transformation-language/package.nix
+++ b/pkgs/by-name/co/color-transformation-language/package.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = {
-    description = "Programming language for digital color management.";
+    description = "Programming language for digital color management";
     homepage = "https://github.com/ampas/CTL";
     changelog = "https://github.com/ampas/CTL/blob/${src.rev}/CHANGELOG";
     license = lib.licenses.ampas;