diff --git a/en_US.ISO8859-1/books/handbook/geom/chapter.sgml b/en_US.ISO8859-1/books/handbook/geom/chapter.sgml
index e04345981a..92b5f885e4 100644
--- a/en_US.ISO8859-1/books/handbook/geom/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/geom/chapter.sgml
@@ -329,7 +329,7 @@ XXX: What message?  Put it inside the screen output above.
 
     <programlisting># Device                Mountpoint      FStype  Options         Dump    Pass#
 #/dev/da0s2b             none            swap    sw              0       0
-/dev/mirror/gm0sa1       /               ufs     rw              1       1</programlisting>
+/dev/mirror/gm0s1a       /               ufs     rw              1       1</programlisting>
 
     <para>Now create a <filename>boot.conf</filename> file on both the
       current and new root partitions.  This file will