diff --git a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
index bf5e311219..4c5aecb88d 100644
--- a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
@@ -585,11 +585,11 @@ bsdlabel -e ad3</programlisting>
 	  from the block device interface and maps data in ways which
 	  result in an increase in flexibility, performance and
 	  reliability compared to the traditional slice view of disk
-	  storage.  &man.vinum.8; implements the RAID-0, RAID-1 and
+	  storage.  &man.vinum.4; implements the RAID-0, RAID-1 and
 	  RAID-5 models, both individually and in combination.</para>
 
 	<para>See <xref linkend="vinum-vinum"> for more
-	  information about &man.vinum.8;.</para>
+	  information about &man.vinum.4;.</para>
       </sect3>
     </sect2>