diff --git a/xep-0167.xml b/xep-0167.xml
index 4d2dc115..0dc9d6bb 100644
--- a/xep-0167.xml
+++ b/xep-0167.xml
@@ -25,6 +25,12 @@
   &stpeter;
   &seanegan;
   &robmcqueen;
+  <revision>
+    <version>0.21</version>
+    <date>2008-06-09</date>
+    <initials>psa</initials>
+    <remark><p>Added name attribute to mute element for more precise handling of informational messages.</p></remark>
+  </revision>
   <revision>
     <version>0.20</version>
     <date>2008-06-04</date>
@@ -444,7 +450,7 @@ delivery-method=inline; configuration=somebase16string;
       </tr>
       <tr>
         <td>&lt;mute/&gt;</td>
-        <td>The principal is temporarily stopping media output but continues to accept media input.</td>
+        <td>The principal is temporarily stopping media output but continues to accept media input. The &lt;mute/&lt; element MAY possess a 'name' attribute whose value specifies a particular content-type to be muted (e.g., muting the video aspect but not the voice aspect of a voice+video chat). If no 'name' attribute is included, the recipient MUST assume that all content-types are to be muted.</td>
       </tr>
       <tr>
         <td>&lt;ringing/&gt;</td>
@@ -489,7 +495,7 @@ delivery-method=inline; configuration=somebase16string;
           action='session-info'
           initiator='romeo@montague.net/orchard'
           sid='a73sjjvkla37jfea'>
-    <mute xmlns='urn:xmpp:tmp:jingle:apps:rtp:info'/>
+    <mute xmlns='urn:xmpp:tmp:jingle:apps:rtp:info' name='webcam'/>
   </jingle>
 </iq>
     ]]></example>
@@ -1383,8 +1389,19 @@ Romeo                         Juliet
     elementFormDefault='qualified'>
 
   <xs:element name='active' type='empty'/>
+
   <xs:element name='hold' type='empty'/>
-  <xs:element name='mute' type='empty'/>
+
+  <xs:element name='mute'>
+    <xs:complexType>
+      <xs:simpleContent>
+        <xs:extension base='empty'>
+          <xs:attribute name='name' type='xs:string' use='optional'/>
+        </xs:extension>
+      </xs:simpleContent>
+    </xs:complexType>
+  </xs:element>
+
   <xs:element name='ringing' type='empty'/>
 
   <xs:simpleType name='empty'>
@@ -1398,6 +1415,6 @@ Romeo                         Juliet
   </section2>
 </section1>
 <section1 topic='Acknowledgements' anchor='ack'>
-  <p>Thanks to Milton Chen, Diana Cionoiu, Olivier Cr&#234;te, Tim Julien, Steffen Larsen, Robert McQueen, Mike Ruprecht, and Paul Witty for their feedback.</p>
+  <p>Thanks to Milton Chen, Diana Cionoiu, Olivier Cr&#234;te, Tim Julien, Steffen Larsen, Robert McQueen, Jeff Muller, Mike Ruprecht, and Paul Witty for their feedback.</p>
 </section1>
 </xep>