diff --git a/xep-0425.xml b/xep-0425.xml
index 7a6b3877..cc91147c 100644
--- a/xep-0425.xml
+++ b/xep-0425.xml
@@ -157,7 +157,7 @@
       <delay xmlns='urn:xmpp:delay' stamp='2019-09-20T23:18:41Z'/>
       <message type="groupchat" from="room@muc.example.com/oldhag" to="room@muc.example.com/macbeth" id="message-id-1">
         <occupant-id xmlns="urn:xmpp:occupant-id:0" id="ef73b09de9c90a38ba552f7c68cbeef1dca24429" />
-        <retracted stamp='2019-09-20T23:19:12Z' xmlns='urn:xmpp:message-retract:0'>
+        <retracted stamp='2019-09-20T23:19:12Z' xmlns='urn:xmpp:message-retract:1'>
           <moderated by="witch@shakespeare.example" xmlns="urn:xmpp:message-moderate:1">
             <occupant-id xmlns="urn:xmpp:occupant-id:0" id="dd72603deec90a38ba552f7c68cbcc61bca202cd" />
           </moderated>