Add a note
diff --git a/content/dyn/include/closer.ezt b/content/dyn/include/closer.ezt
index eb5fb75..cce2070 100644
--- a/content/dyn/include/closer.ezt
+++ b/content/dyn/include/closer.ezt
@@ -1,3 +1,6 @@
+<!-- This document is currently not in use, but should be kept 
+in sync with https://www.apache.org/dyn/closer.html for future use 
+-->
 <p>
     [if-any logo] 
     <a href="[link]">