diff --git a/docs/hardening/postfix-ldap/append_to_main.cf b/docs/hardening/postfix-ldap/add_to_main.cf
similarity index 54%
rename from docs/hardening/postfix-ldap/append_to_main.cf
rename to docs/hardening/postfix-ldap/add_to_main.cf
index 9ec2ac1366e5316384931171676fc9d3d4a78356..71b77ed41e4ba627fdecb0a36f6337059ed4f01c 100644
--- a/docs/hardening/postfix-ldap/append_to_main.cf
+++ b/docs/hardening/postfix-ldap/add_to_main.cf
@@ -1 +1,4 @@
+#
+# This goes into /etc/postfix/main.cf in the section relay_recipient_maps
+#
 relay_recipient_maps = hash:/etc/postfix/relay_recipients, ldap:/etc/postfix/ldap-aliases.cf
\ No newline at end of file