Merge docs tweaks from trunk



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1481368 13f79535-47bb-0310-9956-ffa450edef68
Rebuild

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1481369 13f79535-47bb-0310-9956-ffa450edef68