Bug 398198: Multiple Bugzilla databases with a single installation docs should have an id

docs/xml/installation.xml

 <!-- <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"> -->
-<!-- $Id: installation.xml,v 1.144 2007/10/12 18:24:22 lpsolit%gmail.com Exp $ -->
+<!-- $Id: installation.xml,v 1.145 2007/10/14 19:01:01 mozilla%colinogilvie.co.uk Exp $ -->
 <chapter id="installing-bugzilla">
   <title>Installing Bugzilla</title>
 
@@ -1734,7 +1734,7 @@ AddType application/rdf+xml .rdf</screen>
     </section>    
   </section>
 
-  <section>
+  <section id="multiple-bz-dbs">
     <title>Multiple Bugzilla databases with a single installation</title>
 
     <para>The previous instructions referred to a standard installation, with