fix wrong path in doc
fix wrong path in doc

Change-Id: I1f16bda22a67cee53b60677f9d4c09ae34a16c11

openstack/horizon,BiznetGIO/horizon,openstack/horizon,noironetworks/horizon,BiznetGIO/horizon,openstack/horizon,noironetworks/horizon,BiznetGIO/horizon,yeming233/horizon,NeCTAR-RC/horizon,noironetworks/horizon,BiznetGIO/horizon,ChameleonCloud/horizon,yeming233/horizon,NeCTAR-RC/horizon,NeCTAR-RC/horizon,openstack/horizon,ChameleonCloud/horizon,yeming233/horizon,ChameleonCloud/horizon,noironetworks/horizon,ChameleonCloud/horizon,yeming233/horizon,NeCTAR-RC/horizon