diff --git a/manpages/shorewall-maclist.xml b/manpages/shorewall-maclist.xml
index 23fc962ee..cf65fce51 100644
--- a/manpages/shorewall-maclist.xml
+++ b/manpages/shorewall-maclist.xml
@@ -82,7 +82,9 @@
           <para>If specified, both the MAC and IP address must match. This
           column can contain a comma-separated list of host and/or subnet
           addresses. If your kernel and iptables have iprange match support
-          then IP address ranges are also allowed.</para>
+          then IP address ranges are also allowed. Similarly, if your kernel
+          and iptables include ipset support than set names (prefixed by "+")
+          are also allowed.</para>
         </listitem>
       </varlistentry>
     </variablelist>