diff --git a/configuration.nix b/configuration.nix
index 0bdf0c2..a86fa70 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -166,7 +166,7 @@ in
     xclip
     clipit
   ];
-  services.xserver.xkb.options = "terminate:ctrl_alt_bksp,compose:caps";
+  services.xserver.xkb.options = "terminate:ctrl_alt_bksp,compose:caps"; # compose:ins for insert key
   services.gvfs.enable = true;
   services.logind.lidSwitch = "ignore";