--- a/spec/identity-respec.html	Thu Nov 22 14:12:26 2012 -0500
+++ b/spec/identity-respec.html	Wed Dec 12 19:04:48 2012 -0500
@@ -383,7 +383,7 @@
 <dd>A Service is a an agent listening for requests at a given IP address on a given Server.</dd>  
 
 <dt><tdef>WebID</tdef></dt>
-<dd>A WebID is a URI with an HTTP or HTTPS scheme which uniquely denotes an Agent (Person, Organization, Group, Device, etc.).
+<dd>A WebID is a URI with an HTTP or HTTPS scheme which uniquely denotes an Agent (Person, Organization, Group, Device, etc.). For WebIDs with fragment identifiers the URI without the fragment denotes the Profile Document. For WebIDs without fragment identifiers an HTTP request on the WebID MUST return a 303 with a Location header URI denoting the Profile Document.
 </dd>
 
 <dt><tdef>WebID Profile</tdef> or <tdef>Profile Page</tdef></dt>