small wording changes in prep for 1.7.2
small wording changes in prep for 1.7.2

Change-Id: Ie8b6dc82298478be766365dbd730d0ea5f590ddb
author: diane fleming

varunarya10/api-site,rackerlabs/api-site,dreamhost/api-site,openstack/api-site,dreamhost/api-site,dreamhost/api-site,rackerlabs/api-site,dreamhost/api-site,Tesora/tesora-api-site,DonSchenck/api-site,Tesora/tesora-api-site,rackerlabs/api-site,DonSchenck/api-site,Tesora/tesora-api-site,openstack/api-site,DonSchenck/api-site,DonSchenck/api-site,dreamhost/api-site,Tesora/tesora-api-site,JioCloud/api-site,rackerlabs/api-site,Tesora/tesora-api-site,DonSchenck/api-site,Tesora/tesora-api-site,dreamhost/api-site,Tesora/tesora-api-site,openstack/api-site,openstack/api-site,dreamhost/api-site,varunarya10/api-site