--- a/spec/index-respec.html	Thu Feb 10 14:32:09 2011 -0500
+++ b/spec/index-respec.html	Thu Feb 10 15:07:47 2011 -0500
@@ -228,7 +228,7 @@
 
           // alternate formats for this document
           alternateFormats: [
-              { uri: 'drafts/ED-webid-20110210/diff-20100809.html',
+              { uri: 'http://www.w3.org/2005/Incubator/webid/spec/drafts/ED-webid-20110210/diff-20100809.html',
                   label: "Diff from previous Editors Draft" }],
 
           // URI of the patent status for this WG, for Rec-track documents