diff --git a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
index fca4078a3f..c50524f545 100644
--- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
+++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.xml
@@ -2328,11 +2328,7 @@ freebsdap       00:11:95:c3:0d:ac    1   54M 22:1   100 EPS</screen>
 	    <surname>Lucistnik</surname>
 	  </personname>
 	  <contrib>Written by </contrib>
-	  <affiliation>
-	    <address>
-	      <email>pav@FreeBSD.org</email>
-	    </address>
-	  </affiliation>
+	  <email>pav@FreeBSD.org</email>
 	</author>
       </authorgroup>
     </info>
@@ -5861,7 +5857,8 @@ route_hostD="192.168.173.4 hatm0 0 102 llc/snap ubr"</programlisting>
 	  </personname>
 	  <contrib>Contributed by </contrib>
 	</author>
-
+      </authorgroup>
+      <authorgroup>
 	<author>
 	  <personname>
 	    <firstname>Allan</firstname>