diff --git a/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.sgml b/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.sgml
index 63f4f9bcd0..ea20f8a329 100644
--- a/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.sgml
@@ -1663,7 +1663,8 @@ Building everything..
 	NFS mounted on the rest.</para>
 	  
       <para>Finally make sure that
-	<filename>/etc/make.conf</filename> on all the machines in
+	<filename>/etc/make.conf</filename> and
+	<filename>/etc/src.conf</filename> on all the machines in
 	the build set agrees with the build machine.  That means that
 	the build machine must build all the parts of the base
 	system that any machine in the build set is going to