diff --git a/xep-0313.xml b/xep-0313.xml
index 1fcf8603..e8876154 100644
--- a/xep-0313.xml
+++ b/xep-0313.xml
@@ -28,6 +28,14 @@
   </schemaloc>
   &mwild;
   &ksmith;
+  <revision>
+    <version>0.7.3</version>
+    <date>2021-03-02</date>
+    <initials>ssw</initials>
+    <remark>
+      <p>Add registrar section; fix another broken link to MAM-PUBSUB</p>
+    </remark>
+  </revision>
   <revision>
     <version>0.7.2</version>
     <date>2020-09-29</date>