Fix doc command error, command miss cluster name
Fix doc command error, command miss cluster name

Change-Id: I5111666eeb907e174df0cc59c09d72cd0884955b
Signed-off-by: chenyb4 <115798e15ddd872778e240322a1a46f7d51b5ce2@gmail.com>

stackforge/senlin,openstack/senlin,stackforge/senlin,openstack/senlin,openstack/senlin