Fix typo in doc
Fix typo in doc

TrivialFix

Change-Id: I74d6c763116adeda620b281fec87e595df82b796

dardelean/kolla-ansible,mandre/kolla,openstack/kolla,GalenMa/kolla,stackforge/kolla,nihilifer/kolla,rahulunair/kolla,mrangana/kolla,coolsvap/kolla,stackforge/kolla,dardelean/kolla-ansible,stackforge/kolla,nihilifer/kolla,coolsvap/kolla,mandre/kolla,openstack/kolla,GalenMa/kolla,coolsvap/kolla,mandre/kolla,dardelean/kolla-ansible,mrangana/kolla,rahulunair/kolla,intel-onp/kolla,intel-onp/kolla