diff --git a/lib/ansible/modules/packaging/os/rhn_register.py b/lib/ansible/modules/packaging/os/rhn_register.py
index 913ccf33c0..410c2fbf24 100644
--- a/lib/ansible/modules/packaging/os/rhn_register.py
+++ b/lib/ansible/modules/packaging/os/rhn_register.py
@@ -22,6 +22,7 @@ description:
 version_added: "1.2"
 author: James Laska (@jlaska)
 notes:
+    - This is for older Red Hat products. You probably want the M(redhat_subscription) module instead.
     - In order to register a system, rhnreg_ks requires either a username and password, or an activationkey.
 requirements:
     - rhnreg_ks