diff --git a/xep-0231.xml b/xep-0231.xml
index b7c4351d..49cedf85 100644
--- a/xep-0231.xml
+++ b/xep-0231.xml
@@ -385,7 +385,7 @@
 <var>
   <name>urn:xmpp:tmp:file-preview</name>
   <desc>Willingness to accept data elements to preview file transfers</desc>
-  <doc>XEP-xxxx</doc>
+  <doc>XEP-0230</doc>
 </var>
     ]]></code>
   </section2>