diff --git a/xep-0166.xml b/xep-0166.xml
index 33d5f0d9..5b42cf4d 100644
--- a/xep-0166.xml
+++ b/xep-0166.xml
@@ -1031,7 +1031,11 @@ PENDING  o----------------------+   |
         <td>The party wishes to formally decline the session.</td>
       </tr>
       <tr>
-        <td>&lt;expiration/&gt;</td>
+        <td>&lt;ended/&gt;</td>
+        <td>The session has formally ended.</td>
+      </tr>
+      <tr>
+        <td>&lt;expired/&gt;</td>
         <td>The session length has exceeded a pre-defined time limit (e.g., a meeting hosted at a conference service).</td>
       </tr>
       <tr>