Make it even more clear that EVERY host must have a

<virtualhost> section with name-virtual-hosts.

This is already clearly documented a few paragraphs below, but
judging by questions on the newsgroup/mailing list, people
don't read past the example.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96416 13f79535-47bb-0310-9956-ffa450edef68