diff --git a/nixos/modules/profiles/hardened.nix b/nixos/modules/profiles/hardened.nix
index 8bde2e4f4984..0a0838431da7 100644
--- a/nixos/modules/profiles/hardened.nix
+++ b/nixos/modules/profiles/hardened.nix
@@ -55,7 +55,7 @@ with lib;
   # same privileges as it would have inside it.  This is particularly
   # bad in the common case of running as root within the namespace.
   #
-  # Setting the number of allowed userns to 0 effectively disables
+  # Setting the number of allowed user namespaces to 0 effectively disables
   # the feature at runtime.  Attempting to create a user namespace
   # with unshare will then fail with "no space left on device".
   boot.kernel.sysctl."user.max_user_namespaces" = mkDefault 0;