diff --git a/docs/FAQ.xml b/docs/FAQ.xml
index 2d700432c..540dc581c 100644
--- a/docs/FAQ.xml
+++ b/docs/FAQ.xml
@@ -670,7 +670,7 @@ loc      eth1         detect       <emphasis role="bold">routeback</emphasis>
           <para>Note: The technique described here is known as
           <firstterm>hairpinning NAT</firstterm> and is described in section 6
           of <ulink url="http://www.faqs.org/rfcs/rfc4787.html">RFC
-          4787</ulink>. There it is recommended that the <emphasis>external IP
+          4787</ulink>. There it is required that the <emphasis>external IP
           address</emphasis> be used as the source:</para>
 
           <programlisting>#INTERFACE              SOURCE          ADDRESS         PROTO   PORT(S)