diff --git a/modules/dual-function-keys/default.nix b/modules/dual-function-keys/default.nix
index 180b69e..e9478fc 100644
--- a/modules/dual-function-keys/default.nix
+++ b/modules/dual-function-keys/default.nix
@@ -1,16 +1,17 @@
 { pkgs, ... }: {
   services.interception-tools = {
     enable = true;
-    plugins = [ pkgs.interception-tools-plugins.dual-function-keys ];
-    udevmonConfig = ''
-      - JOB: "${pkgs.interception-tools}/bin/intercept -g $DEVNODE | ${pkgs.interception-tools-plugins.dual-function-keys}/bin/dual-function-keys -c /etc/dual-function-keys.yaml | ${pkgs.interception-tools}/bin/uinput -d $DEVNODE"
+    plugins = with pkgs.interception-tools-plugins; [ dual-function-keys ];
+
+    udevmonConfig = with pkgs; /* yaml */ ''
+      - JOB: "${interception-tools}/bin/intercept -g $DEVNODE | ${interception-tools-plugins.dual-function-keys}/bin/dual-function-keys -c /etc/dual-function-keys.yaml | ${interception-tools}/bin/uinput -d $DEVNODE"
         DEVICE:
           EVENTS:
             EV_KEY: [KEY_CAPSLOCK, KEY_ESC]
     '';
   };
 
-  environment.etc."dual-function-keys.yaml".text = ''
+  environment.etc."dual-function-keys.yaml".text = /* yaml */ ''
     TIMING:
         - TAP_MILLISEC: 1000
         - DOUBLE_TAP_MILLISEC: 0