- update rc.conf configuration directive for enabling quotas for

recent FreeBSD systems

Reviewed by:	remko
PR:		docs/164735

en_US.ISO8859-1/books/handbook/disks/chapter.sgml

@@ -3246,10 +3246,15 @@ Filesystem 1K-blocks Used Avail Capacity  Mounted on
 	information on kernel configuration.</para>
 
       <para>Next you will need to enable disk quotas in
-	<filename>/etc/rc.conf</filename>.  This is done by adding the
-	line:</para>
+	<filename>/etc/rc.conf</filename>.  On &os;&nbsp;7.X and
+	earlier, this is done by adding the line:</para>
 
       <programlisting>enable_quotas="YES"</programlisting>
+
+      <para>On &os;&nbsp;8.0-RELEASE and later, add the following
+	line instead:</para>
+
+      <programlisting>quota_enable="YES"</programlisting>
       <indexterm>
 	<primary>disk quotas</primary>
 	<secondary>checking</secondary>