diff --git a/docs/SimpleBridge.xml b/docs/SimpleBridge.xml
index 0296ebbcc..3f2c7abd7 100644
--- a/docs/SimpleBridge.xml
+++ b/docs/SimpleBridge.xml
@@ -138,5 +138,11 @@ loc            <emphasis role="bold">br0</emphasis>             10.0.1.255     <
 net            eth0            detect         ...
 loc            <emphasis role="bold">br0</emphasis>             10.0.1.255     <emphasis
           role="bold">routeback,bridge</emphasis>,...</programlisting></para>
+
+    <para>Your entry in <filename>/etc/shorewall/masq</filename> should be
+    unchanged:</para>
+
+    <programlisting>#INTERFACE     SOURCE          ADDRESS
+eth0           10.0.1.0/24     ...            # 10.0.1.0/24 is the local network on LAN A and LAN B</programlisting>
   </section>
 </article>