diff --git a/xep-0004.xml b/xep-0004.xml
index a31a9b76..795d3b7b 100644
--- a/xep-0004.xml
+++ b/xep-0004.xml
@@ -27,6 +27,12 @@
     &jer;
     &temas;
     &stpeter;
+    <revision>
+      <version>2.10.0</version>
+      <date>2020-05-05</date>
+      <initials>fs</initials>
+      <remark><p>Clarify that fields which are not required may be omitted on submission.</p></remark>
+    </revision>
     <revision>
       <version>2.9</version>
       <date>2007-08-13</date>