diff --git a/nixos/modules/services/x11/display-managers/gdm.nix b/nixos/modules/services/x11/display-managers/gdm.nix
index ccf0f911081..b9808f1ffa6 100644
--- a/nixos/modules/services/x11/display-managers/gdm.nix
+++ b/nixos/modules/services/x11/display-managers/gdm.nix
@@ -19,7 +19,7 @@ in
     services.xserver.displayManager.gdm = {
 
       enable = mkEnableOption ''
-        Whether to enable GDM as the display manager.
+        GDM as the display manager.
         <emphasis>GDM is very experimental and may render system unusable.</emphasis>
       '';