Fix typo and disable bell sound

modules/home/i3/default.nix

@@ -47,9 +47,11 @@ in
     ];
     xsession.enable = true; # Give gui programs access to sessionVariables
     # Prevent screen from going blank (check these settings with `xset q`)
+    # And disable bell sound (b)
     xsession.initExtra = ''
       ${pkgs.xorg.xset}/bin/xset s off
       ${pkgs.xorg.xset}/bin/xset -dpms
+      ${pkgs.xorg.xset}/bin/xset b off
     '';
     xsession.windowManager.i3 = {
       enable = true;