diff --git a/doc/sphinx/plugins/group-aclkeeper/groupSetServers.rst b/doc/sphinx/plugins/group-aclkeeper/groupSetServers.rst
index a0b67aa5c..d56c0f772 100644
--- a/doc/sphinx/plugins/group-aclkeeper/groupSetServers.rst
+++ b/doc/sphinx/plugins/group-aclkeeper/groupSetServers.rst
@@ -36,5 +36,6 @@ Example of valid lines to be fed through ``STDIN``::
 
   server12.example.org
   logs@server
+  192.0.2.21
   host1.example.net:2222 host1 on secondary sshd with alternate port
   root@192.0.2.0/24 production database cluster