Sync a few doc with trunk

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1555605 13f79535-47bb-0310-9956-ffa450edef68
Sync a few doc with trunk (fr)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1555606 13f79535-47bb-0310-9956-ffa450edef68