Add a note about where to look for information about updating

ssh keys for the cluster.

Sponsored by:	The FreeBSD Foundation

en_US.ISO8859-1/articles/committers-guide/article.xml

@@ -3041,6 +3041,11 @@ Relnotes:           yes</programlisting>
       <package>security/openssh</package>,
       &man.ssh.1;, &man.ssh-add.1;, &man.ssh-agent.1;,
       &man.ssh-keygen.1;, and &man.scp.1;.</para>
+
+    <para>For information on adding, changing, or removing &man.ssh.1;
+      keys, see <uri
+	xlink:href="https://wiki.freebsd.org/clusteradm/ssh-keys">this
+	article</uri>.</para>
   </sect1>
 
   <sect1 xml:id="coverity">