diff --git a/xep-0261.xml b/xep-0261.xml
index 32943f27..2ba93207 100644
--- a/xep-0261.xml
+++ b/xep-0261.xml
@@ -260,7 +260,7 @@ Initiator                   Responder
     type='set'>
   <open xmlns='http://jabber.org/protocol/ibb'
         block-size='2048'
-        sid='pd51xa96'
+        sid='bt8a71h6'
         stanza='iq'/>
 </iq>
 ]]></example>