diff --git a/en_US.ISO8859-1/books/handbook/vinum/chapter.sgml b/en_US.ISO8859-1/books/handbook/vinum/chapter.sgml
index c3224799c8..d8d7bbf200 100644
--- a/en_US.ISO8859-1/books/handbook/vinum/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/vinum/chapter.sgml
@@ -1160,7 +1160,7 @@ sd name bigraid.p0.s4 drive e plex bigraid.p0 state initializing len 4194304b dr
 	    where (in a mirrored situation) the disk that has not been
 	    currently booted is being manipulated first.</para>
 
-	  <para>Then, the offset the Vinum partition on this
+	  <para>Then, the offset of the Vinum partition on this
 	    device (if any) must be added to the offset of the
 	    respective root volume subdisk on this device.  The
 	    resulting value will become the