diff --git a/en_US.ISO8859-1/books/porters-handbook/book.sgml b/en_US.ISO8859-1/books/porters-handbook/book.sgml
index b27adca707..aad44d2232 100644
--- a/en_US.ISO8859-1/books/porters-handbook/book.sgml
+++ b/en_US.ISO8859-1/books/porters-handbook/book.sgml
@@ -2212,8 +2212,9 @@ PORTEPOCH=      1</programlisting>
 	  archives such as X-contrib, GNU, or Perl CPAN, you may be able
 	  refer to those sites in an easy compact form using
 	  <makevar>MASTER_SITE_<replaceable>*</replaceable></makevar>
-	  (e.g., <makevar>MASTER_SITE_XCONTRIB</makevar> and
-	  <makevar>MASTER_SITE_PERL_GNU</makevar>).  Simply set
+	  (e.g., <makevar>MASTER_SITE_XCONTRIB</makevar>, 
+	  <makevar>MASTER_SITE_GNU</makevar> and
+	  <makevar>MASTER_SITE_PERL_CPAN</makevar>).  Simply set
 	  <makevar>MASTER_SITES</makevar> to one of these variables and
 	  <makevar>MASTER_SITE_SUBDIR</makevar> to the path within the
 	  archive.  Here is an example:</para>