diff --git a/nixos/modules/tasks/filesystems/zfs.nix b/nixos/modules/tasks/filesystems/zfs.nix
index 59676e99678..97fab6f11ea 100644
--- a/nixos/modules/tasks/filesystems/zfs.nix
+++ b/nixos/modules/tasks/filesystems/zfs.nix
@@ -302,7 +302,7 @@ in
     };
 
     services.zfs.autoScrub = {
-      enable = mkEnableOption "Enables periodic scrubbing of ZFS pools.";
+      enable = mkEnableOption "periodic scrubbing of ZFS pools";
 
       interval = mkOption {
         default = "Sun, 02:00";