diff --git a/refpolicy/policy/users b/refpolicy/policy/users
index 2341ebf..b2aa9fa 100644
--- a/refpolicy/policy/users
+++ b/refpolicy/policy/users
@@ -4,7 +4,9 @@
 # Core User configuration.
 #
 
-# gen_user(username, role_set, levels)
+#
+# gen_user(username, role_set, defaultlevel, range)
+#
 define(`gen_user',`
 user $1 roles { $2 } ifdef(`enable_mls', `level $3 range $4');
 ')