diff --git a/xep-0402.xml b/xep-0402.xml
index fddea9a3..9ea28a01 100644
--- a/xep-0402.xml
+++ b/xep-0402.xml
@@ -27,6 +27,12 @@
         <discuss>standards</discuss>
         &dcridland;
         &jcbrand;
+        <revision>
+          <version>1.1.0</version>
+          <date>2020-05-26</date>
+          <initials>mb</initials>
+          <remark><p>Add schema + other editorial changes</p></remark>
+        </revision>
   <revision>
     <version>1.0.0</version>
     <date>2020-03-31</date>
@@ -347,7 +353,7 @@
       </item>
     </items>
   </event>
-</iq>
+</message>
 ]]></example>
 
         <p>On the other hand, if the event is a retract notification, the client SHOULD leave the room immediately.</p>
@@ -359,7 +365,7 @@
       <retract id='theplay@conference.shakespeare.lit'/>
     </items>
   </event>
-</iq>
+</message>
 ]]></example>
     </section1>
 
@@ -402,4 +408,45 @@
         <p>Security considerations related to object persistence via publish-subscribe are described in <cite>XEP-0060</cite> and <cite>XEP-0223</cite>.</p>
         <p>The client needs to make sure that the server actually supports the "http://jabber.org/protocol/pubsub#publish-options" feature, before relying on it. If it's not supported, the client should configure the '&namespace;' node first (see <cite>xep-0060</cite>), before adding any bookmarks.</p>
     </section1>
+    <section1 topic='XML Schema' anchor='schema'>
+      <code><![CDATA[
+<?xml version='1.0' encoding='UTF-8'?>
+
+<xs:schema
+    xmlns:xs='http://www.w3.org/2001/XMLSchema'
+    targetNamespace=']]>&namespace;<![CDATA['
+    xmlns=']]>&namespace;<![CDATA['
+    elementFormDefault='qualified'>
+
+  <xs:annotation>
+    <xs:documentation>
+      The protocol documented by this schema is defined in
+      XEP-0402: http://www.xmpp.org/extensions/xep-0402.html
+    </xs:documentation>
+  </xs:annotation>
+
+  <xs:element name='conference'>
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element name='nick' type='xs:string' minOccurs='0'/>
+        <xs:element name='password' type='xs:string' minOccurs='0'/>
+        <xs:element ref='extensions'/>
+      </xs:sequence>
+      <xs:attribute name='autojoin' type='xs:boolean' use='optional' default='false'/>
+      <xs:attribute name='name' type='xs:string' use='optional'/>
+    </xs:complexType>
+  </xs:element>
+
+  <xs:element name='extensions'>
+    <xs:complexType>
+      <xs:sequence>
+        <xs:any namespace='##other'
+                minOccurs='0'
+                maxOccurs='unbounded'
+                processContents='lax'/>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>]]></code>
+    </section1>
 </xep>