diff --git a/nix/hm-module.nix b/nix/hm-module.nix
index a1e04ce..e2cf47c 100644
--- a/nix/hm-module.nix
+++ b/nix/hm-module.nix
@@ -51,7 +51,7 @@ in
       type = lib.types.listOf (lib.types.submodule {
         options = {
           modes = lib.mkOption {
-            type = lib.listOf (lib.types.enum [ "n" "i" "x" "v" "o" "r" ]);
+            type = lib.types.listOf (lib.types.enum [ "n" "i" "x" "v" "o" "r" ]);
             default = [];
             description = "The editing modes this keymap can be used in";
           };