improve some slightly awkward wording per comments feedback:

  http://httpd.apache.org/docs/2.4/configuring.html#comment_3678

The original can be read as applying to comments on a subsequent line.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1662012 13f79535-47bb-0310-9956-ffa450edef68