diff --git a/appendices/reserved.xml b/appendices/reserved.xml
index 6d98a94246..e0ce26dfb8 100644
--- a/appendices/reserved.xml
+++ b/appendices/reserved.xml
@@ -572,6 +572,9 @@
      <tgroup cols="4">
       <tbody>
        <row>
+        <entry>
+         enum
+        </entry>
         <entry>
          resource
         </entry>