diff --git a/pkgs/development/python-modules/flask-restful/default.nix b/pkgs/development/python-modules/flask-restful/default.nix
index c9314e1cfcb7..c53d72d100b0 100644
--- a/pkgs/development/python-modules/flask-restful/default.nix
+++ b/pkgs/development/python-modules/flask-restful/default.nix
@@ -26,6 +26,7 @@ buildPythonPackage rec {
     hash = "sha256-zOxlC4NdSBkhOMhTKa4Dc15s7VjpstnCFG1shMBvpT4=";
   };
 
+  # conditional so that overrides are easier for web applications
   patches = lib.optionals (lib.versionAtLeast werkzeug.version "2.1.0") [
     ./werkzeug-2.1.0-compat.patch
   ];