diff --git a/refpolicy/policy/modules/system/authlogin.if b/refpolicy/policy/modules/system/authlogin.if
index f6a54b3d..6118ed91 100644
--- a/refpolicy/policy/modules/system/authlogin.if
+++ b/refpolicy/policy/modules/system/authlogin.if
@@ -1,5 +1,78 @@
## Common policy for authentication and user login.
+#######################################
+##
+## Common template to create a domain for authentication.
+##
+##
+##
+## This template creates a derived domain which is allowed
+## to authenticate users by using PAM unix_chkpwd support.
+##