Documentation fixes do not harm anyone, so I feel free to commit this

English cleanup to the mod_rewrite documentation although we're in code
freeze state. But we should now really kick out the 1.3.12 baby. We're
already behind the proposed dates...

Submitted by: G.W. Haywood <ged@jubileegroup.co.uk>
Reviewed by: Ralf S. Engelschall


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84654 13f79535-47bb-0310-9956-ffa450edef68