diff --git a/xep-0137.xml b/xep-0137.xml
index 1ea5133f..a9bcbc9f 100644
--- a/xep-0137.xml
+++ b/xep-0137.xml
@@ -88,7 +88,7 @@
     id='ps1'>
   <pubsub xmlns='http://jabber.org/protocol/pubsub'>
     <publish node='characters'>
-      <sipub xmlns='http://jabber.org/protocol/si-pub'
+      <sipub xmlns='http://jabber.org/protocol/sipub'
           from='bard@shakespeare.lit'
           id='publish-0123'
           mime-type='application/pdf'
@@ -109,7 +109,7 @@
   <event xmlns='http://jabber.org/protocol/pubsub#event'>
     <items node='characters'>
       <item id='current'>
-        <sipub xmlns='http://jabber.org/protocol/si-pub'
+        <sipub xmlns='http://jabber.org/protocol/sipub'
             from='bard@shakespeare.lit'
             id='publish-0123'
             mime-type='application/pdf'
@@ -129,7 +129,7 @@
     <p>The &lt;sipub/&gt; element MAY also be included directly within a &MESSAGE; stanza sent to another entity (or multiple entities, e.g., in &xep0045; or via &xep0033;). This can be especially useful for informing an offline entity about an available stream.</p>
     <example caption='Advertising a stream in a message stanza'><![CDATA[
 <message from='romeo@montague.net/pda' to='juliet@capulet.com'>
-  <sipub xmlns='http://jabber.org/protocol/si-pub'
+  <sipub xmlns='http://jabber.org/protocol/sipub'
       id='publish-0123'
       mime-type='application/pdf'
       profile='http://jabber.org/protocol/si/profile/file-transfer'>