Fix comment wording nit
Fix comment wording nit

Change-Id: I558522121099f14d380c163a2c397b34335b03df

nawawi/openstack,noironetworks/devstack,nawawi/openstack,dtroyer/devstack,openstack-dev/devstack,group-policy/devstack,noironetworks/devstack,openstack-dev/devstack,dtroyer/devstack,group-policy/devstack