Fixes a typo in a comment
Fixes a typo in a comment

Change-Id: I68b6aa9e4c7eb1c11c6d722a65978cdd63191a51

ilay09/keystone,roopali8/keystone,cernops/keystone,openstack/keystone,ilay09/keystone,mahak/keystone,takeshineshiro/keystone,roopali8/keystone,ajayaa/keystone,mahak/keystone,idjaw/keystone,maestro-hybrid-cloud/keystone,himanshu-setia/keystone,klmitch/keystone,rajalokan/keystone,ajayaa/keystone,rajalokan/keystone,rajalokan/keystone,openstack/keystone,jonnary/keystone,ilay09/keystone,openstack/keystone,maestro-hybrid-cloud/keystone,takeshineshiro/keystone,mahak/keystone,himanshu-setia/keystone,jonnary/keystone,klmitch/keystone,dims/keystone,dims/keystone,cernops/keystone,idjaw/keystone