--- a/xml/prov-xml.html	Thu Nov 08 16:13:12 2012 -0700
+++ b/xml/prov-xml.html	Thu Nov 08 16:39:19 2012 -0700
@@ -1689,7 +1689,8 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:xsd="http://www.w3.org/2001/XMLSchema"
     xmlns:prov="http://www.w3.org/ns/prov#" 
-    xmlns:ex="http://example.com/ns/ex#">
+    xmlns:ex="http://example.com/ns/ex#"
+    xmlns:tr="http://example.com/ns/tr#">
 
   &lt;prov:entity <b>prov:id="tr:WD-prov-dm-20111215"</b>&gt;
     &lt;prov:type xsi:type="xsd:Qname"&gt;document&lt;/prov:type&gt;