diff --git a/xep-0369.xml b/xep-0369.xml
index 78806054..29450ddd 100644
--- a/xep-0369.xml
+++ b/xep-0369.xml
@@ -2004,12 +2004,7 @@ A client creates a channel by sending a simple request to the MIX service.   A c
 </section1>
 
 
-<!--<section1 topic='Implementation Notes' anchor='impl'>
-  <p>OPTIONAL.</p>
-</section1>
-<section1 topic='Accessibility Considerations' anchor='access'>
-  <p>OPTIONAL.</p>
-</section1>-->
+
 
  <section1  topic="Capabilities not provided in MIX" anchor="not-included-from45">
    <p>This section lists a number of capabilities not specified in this version of MIX which were provided in &xep0045;.   </p>
@@ -2030,6 +2025,8 @@ A client creates a channel by sending a simple request to the MIX service.   A c
   <p>TBD.</p>
   <p>Discuss normalization of nicknames.</p>
 </section1>
+  
+  
 <section1 topic='Security Considerations' anchor='security'>
   <p>TBD.</p>
   <p>Topics to cover:</p>
@@ -2038,15 +2035,20 @@ A client creates a channel by sending a simple request to the MIX service.   A c
     <li>nickname registration and security implications of normalization</li>
   </ul>
 </section1>
+  
+  
 <section1 topic='IANA Considerations' anchor='iana'>
   <p>None.</p>
 </section1>
+  
 <section1 topic='XMPP Registrar Considerations' anchor='registrar'>
-  <p>Register a namespace.</p>
+  <p>The urn:xmpp:mix namespace must be registered.</p>
 </section1>
+  
 <section1 topic='XML Schema' anchor='schema'>
-  <p>TBD.</p>
+  <p>To be supplied when MIX progresses to proposed standard.</p>
 </section1>
+  
 <section1 topic='Acknowledgements' anchor='ack'>
   <p>Thanks to the following who have made contributions: Dave Cridland, Philipp Hancke, Waqas Hussain, Georg Lukas, Ralph Meijer, Edwin Mons, Emmanuel Gil Peyrot, Florian Schmaus, Lance Stout, Sam Whited, Matthew Wild and one anonymous reviewer.</p>
 </section1>