diff --git a/chapter06/createfiles.xml b/chapter06/createfiles.xml
index 663b94b36..f0091bcd2 100644
--- a/chapter06/createfiles.xml
+++ b/chapter06/createfiles.xml
@@ -132,7 +132,7 @@ EOF</userinput></screen>
 <screen><userinput>touch /var/run/utmp /var/log/{btmp,lastlog,wtmp}
 chgrp -v utmp /var/run/utmp /var/log/lastlog
 chmod -v 664 /var/run/utmp /var/log/lastlog
-chmod -v 660 /var/log/btmp</userinput></screen>
+chmod -v 600 /var/log/btmp</userinput></screen>
 
   <para>The <filename>/var/run/utmp</filename> file records the users
   that are currently logged in. The <filename>/var/log/wtmp</filename>