diff --git a/docs/6to4.xml b/docs/6to4.xml
index d6ee3c473..3d53ee5ce 100644
--- a/docs/6to4.xml
+++ b/docs/6to4.xml
@@ -429,14 +429,15 @@ iface sit1 inet6 v4tunnel
       instructions above, you should have a completely functional IPv6
       network. Try:</para>
 
-      <programlisting><emphasis role="bold">ping6 2001:19f0:feee::dead:beef:cafe</emphasis>
+      <programlisting><emphasis role="bold">ping6 www.kame.net
+ping6 ipv6.chat.eu.freenode.net</emphasis>
 </programlisting>
 
-      <para>If that doesn't work from your firewall and from any local IPv6
-      systems that you have behind your firewall, do not go any further until
-      it does work. If you ask for help from the Shorewall team, the first
-      question we will ask is 'With Shorewall6 cleared, can you ping6
-      2001:19f0:feee::dead:beef:cafe?'.</para>
+      <para>If neither of those work from your firewall and from any local
+      IPv6 systems that you have behind your firewall, do not go any further
+      until one of them does work. If you ask for help from the Shorewall
+      team, the first question we will ask is 'With Shorewall6 cleared, can
+      you ping6 kame or freenode?'.</para>
 
       <para>The Shorewall6 configuration on my firewall is a very basic
       three-interface one.</para>