diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index b058f96c8..62b50ce7b 100644
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -502,6 +502,9 @@ None.
     support in iptables[6] and your kernel. That support is available
     in xtables-addons.
 
+    Instructions for installing xtables-addons may be found at
+    http://www.shorewall.net/Dynamic.html#xtables-addons.
+
     The new facility has two components:
 
     a) A new IPMARK MARKing command in /etc/shorewall/tcrules.