diff --git a/en_US.ISO8859-1/books/handbook/mac/chapter.sgml b/en_US.ISO8859-1/books/handbook/mac/chapter.sgml
index 75431917a3..c9b626e405 100644
--- a/en_US.ISO8859-1/books/handbook/mac/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/mac/chapter.sgml
@@ -1928,7 +1928,7 @@ exit;</programlisting>
 	&man.crontab.1; entry added:</para>
 
       <programlisting># Check out the web data as biba/low every twelve hours:
-*       12       *       *       *       web    /home/web/checkout.sh</programlisting>
+0       */12       *       *       *       web    /home/web/checkout.sh</programlisting>
 
       <para>This will check out the <acronym>HTML</acronym> sources
 	every twelve hours on the machine.</para>