diff --git a/nixos/modules/config/users-groups.nix b/nixos/modules/config/users-groups.nix
index 6aead49606af..461c219ee807 100644
--- a/nixos/modules/config/users-groups.nix
+++ b/nixos/modules/config/users-groups.nix
@@ -384,8 +384,8 @@ let
           description = ''
             The full path to a file that contains the hash of the user's
             password. The password file is read on each system activation. The
-            file should contain exactly one line, which should be the password in
-            an encrypted form that is suitable for the `chpasswd -e` command.
+            file should contain exactly one line, the salted password hash
+            produced by `mkpasswd`.
 
             ${passwordDescription}
           '';