Add slash for command 'openstack flavor set FLAVOR-NAME'
Add slash for command 'openstack flavor set FLAVOR-NAME'

Change-Id: Ie7f1cc8f896be39b5a7ca2779c93e80f7e0665e9
Closes-Bug: #1562446

AlekhyaMallina-Vedams/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals