diff --git a/xep-0220.xml b/xep-0220.xml
index f941303b..37af07cf 100644
--- a/xep-0220.xml
+++ b/xep-0220.xml
@@ -11,6 +11,7 @@
   &LEGALNOTICE;
   <number>0220</number>
   <status>Draft</status>
+  <interim/>
   <type>Standards Track</type>
   <sig>Standards</sig>
   <approver>Council</approver>
@@ -26,6 +27,12 @@
   &jer;
   &stpeter;
   &fippo;
+  <revision>
+    <version>1.1rc1</version>
+    <date>2014-05-28</date>
+    <initials>ph</initials>
+    <remark><p>Added resource-constraint dialback error condition.</p></remark>
+  </revision>
   <revision>
     <version>1.0</version>
     <date>2013-09-27</date>
@@ -652,6 +659,11 @@ send: <db:verify
         <td>The Receiving Server was unable to establish the asserted identity of the Initiating Server.</td>
         <td>Step 4</td>
       </tr>
+      <tr>
+        <td>&constraint;</td>
+        <td>The Receiving Server lacks the resources to add the requested domain pair to the list of connections authorized for this connection. The initiating server should attempt to establish a new TCP connection to the target domain using the process described in <cite>RFC 6120</cite> and give up when receiving the same error on the new connection.</td>
+        <td>Step 4</td>
+      </tr>
     </table>
   </section2>
 
@@ -810,13 +822,32 @@ home.montague.example.                   86400 IN A                     10.44.0.
     </xs:restriction>
   </xs:simpleType>
 
+</xs:schema>
+    ]]></code>
+  </section2>
+  <section2 topic="Application Specific Errors" anchor="schema-errors">
+    <code><![CDATA[
+<?xml version='1.0' encoding='UTF-8'?>
+
+<xs:schema
+    xmlns:xs='http://www.w3.org/2001/XMLSchema'
+    targetNamespace='urn:xmpp:dialback:errors'
+    xmlns='urn:xmpp:dialback:errors'
+    elementFormDefault='qualified'>
+
+  <xs:annotation>
+    <xs:documentation>
+      The protocol documented by this schema is defined in
+      XEP-0220: http://www.xmpp.org/extensions/xep-0220.html
+    </xs:documentation>
+  </xs:annotation>
 </xs:schema>
     ]]></code>
   </section2>
 </section1>
 
 <section1 topic='Acknowledgments' anchor='ack'>
-  <p>Thanks to Richard Barnes, Dave Cridland, Jack Erwin, Joe Hildebrand, Justin Karneges, Nina Kirchner, Carlo von Loesch, Ralph Meijer, Chris Newton, Rob Norris, Tory Patnoe, Dave Richards, Matthew Wild, and Matthias Wimmer for their comments.</p>
+  <p>Thanks to Richard Barnes, Dave Cridland, Jack Erwin, Joe Hildebrand, Justin Karneges, Nina Kirchner, Carlo von Loesch, Ralph Meijer, Matthew Miller, Chris Newton, Rob Norris, Tory Patnoe, Dave Richards, Matthew Wild, and Matthias Wimmer for their comments.</p>
 </section1>
 
 </xep>