diff --git a/xep-0369.xml b/xep-0369.xml
index f99a6659..7765c0ad 100644
--- a/xep-0369.xml
+++ b/xep-0369.xml
@@ -215,12 +215,9 @@
 </items>]]></example>
     </section3>
     <section3 topic="Participants Node" anchor="participants-node">
-      <p>Each channel participant is represented as an item of the 'urn:xmpp:mix:nodes:participants' channel node.   Each item is named by the bare JID of the participant.   For example 'coven+123456@mix.shakespeare.example' might name the node item associated with participant 'hag66@shakespeare.example'.  The nick associated with the user is mandatory and is stored in the item.
+      <p>Each channel participant is represented as an item of the 'urn:xmpp:mix:nodes:participants' channel node. Each item is named by the bare proxy JID of the participant. For example 'coven+123456@mix.shakespeare.example' might name the node item associated with participant 'hag66@shakespeare.example'. The nick associated with the user is mandatory and is stored in the item.
       This node may be subscribed to for jid-visible channels that permit subscription to this node - this will allow users to see changes to channel membership.
       </p>
-      <p>
-        QUESTION: Is there a requirement to mandate format of nick?
-      </p>
       <example caption="Value of Participants Node"><![CDATA[
 <items node='urn:xmpp:mix:nodes:participants'>
   <item id='coven+123456@mix.shakespeare.example/8765'>
@@ -591,7 +588,7 @@
 ]]></example>
 
     <p>
-      The channel will return the nick that is to be used, noting that this may be different to the requested nick.   MIX services SHOULD apply the "nickname" profile of the PRECIS OpaqueString class, which is defined in draft-ietf-precis-nickname.
+      The channel will return the nick that is to be used, noting that this may be different to the requested nick. MIX services SHOULD apply the "nickname" profile of the PRECIS OpaqueString class, as defined in &rfc7700;.
     </p>
 
     <example caption="Channel informs user of Nick"><![CDATA[
diff --git a/xep.ent b/xep.ent
index a8c51e72..76d37dab 100644
--- a/xep.ent
+++ b/xep.ent
@@ -651,6 +651,7 @@ THE SOFTWARE.
 <!ENTITY rfc7395 "<span class='ref'><link url='http://tools.ietf.org/html/rfc7395'>RFC 7395</link></span> <note>RFC 7395: An Extensible Messaging and Presence Protocol (XMPP) Subprotocol for WebSocket &lt;<link url='http://tools.ietf.org/html/rfc7395'>http://tools.ietf.org/html/rfc7395</link>&gt;.</note>" >
 <!ENTITY rfc7693 "<span class='ref'><link url='http://tools.ietf.org/html/rfc7693'>RFC 7693</link></span> <note>RFC 7693: The BLAKE2 Cryptographic Hash and Message Authentication Code (MAC) &lt;<link url='http://tools.ietf.org/html/rfc7693'>http://tools.ietf.org/html/rfc7693</link>&gt;.</note>" >
 <!ENTITY rfc7564 "<span class='ref'><link url='http://tools.ietf.org/html/rfc7564'>RFC 7564</link></span> <note>RFC 7564: PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application Protocols &lt;<link url='http://tools.ietf.org/html/rfc7564'>http://tools.ietf.org/html/rfc7564</link>&gt;.</note>" >
+<!ENTITY rfc7700 "<span class='ref'><link url='http://tools.ietf.org/html/rfc7700'>RFC 7700</link></span> <note>RFC 7700: Preparation, Enforcement, and Comparison of Internationalized Strings Representing Nicknames&lt;<link url='http://tools.ietf.org/html/rfc7700'>http://tools.ietf.org/html/rfc7700</link>&gt;.</note>" >
 <!ENTITY rfc7712 "<span class='ref'><link url='http://tools.ietf.org/html/rfc7712'>RFC 7712</link></span> <note>RFC 7712: Domain Name Associations (DNA) in the Extensible Messaging and Presence Protocol (XMPP)&lt;<link url='http://tools.ietf.org/html/rfc7712'>http://tools.ietf.org/html/rfc7712</link>&gt;.</note>" >
 
 <!-- Internet-Drafts -->