diff --git a/en_US.ISO8859-1/articles/portbuild/article.sgml b/en_US.ISO8859-1/articles/portbuild/article.sgml
index ec34eec769..2256697d05 100644
--- a/en_US.ISO8859-1/articles/portbuild/article.sgml
+++ b/en_US.ISO8859-1/articles/portbuild/article.sgml
@@ -131,7 +131,7 @@
       be updated first unless <literal>-nocvs</literal> is
       specified.</para>
 
-    <screen>/var/portbuild&prompt.root; <userinput>scripts/makeworld <replaceable>${arch}</replaceable> <replaceable>${branch}</replaceable> [-nocvs]</userinput></screen>
+    <screen>/var/portbuild&prompt.root; <userinput>scripts/makeworld <replaceable>${arch}</replaceable> <replaceable>${branch}</replaceable> <replaceable>${buildid}</replaceable> [-nocvs]</userinput></screen>
 
     <para>The <filename>bindist.tar</filename> tarball is created from the
       previously installed world by the <command>mkbindist</command>