diff --git a/xep-0178.xml b/xep-0178.xml
index 359de488..1fc1a151 100644
--- a/xep-0178.xml
+++ b/xep-0178.xml
@@ -22,6 +22,12 @@
   <shortname>N/A</shortname>
   &stpeter;
   &pgmillard;
+  <revision>
+    <version>1.2</version>
+    <date>2020-08-19</date>
+    <initials>@woj-tek</initials>
+    <remark><p>Add fallback to dialback if EXTERNAL authentication fails due to practical experience.</p></remark>
+  </revision>
   <revision>
     <version>1.1</version>
     <date>2011-05-25</date>
@@ -379,7 +385,7 @@
           <p>Implementation Note: If Server2 needs to assign an authorization identity during SASL negotiation, it SHOULD use the value of the 'from' attribute of the stream header sent by Server1.</p>
         </li>
         <li>
-          <p>Else Server2 SHOULD return a &notauthorized; stream error and close the stream.</p>
+          <p>Else Server2 SHOULD return a &notauthorized; error and either close Server1's TCP connection or continue with a Server Dialback (XEP-0220) [8] negotiation.</p>
           <example><![CDATA[
 <failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>
   <not-authorized/>