[emacs] Add TODO comment

home/modules/emacs/default.nix

@@ -56,6 +56,7 @@ in
       DOOMLOCALDIR = "${config.xdg.dataHome}/doom";
     };
 
+    # TODO: Use mkOutOfStoreSymlink instead?
     home.activation.doomConfig = lib.hm.dag.entryAfter ["writeBoundary"] ''
       # Always remove and recreate the symlink to ensure it points to the source directory
       rm -rf "${config.xdg.configHome}/doom"