update for sync with English docs.

Translated by: Nilgün Belma Bugüner <nilgun belgeler.gen.tr>
Reviewed by:  Orhan Berent <berent belgeler.gen.tr>

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1669728 13f79535-47bb-0310-9956-ffa450edef68