--- src/share/man/man4/ch.4	2007/05/17 08:19:01	1.9
+++ src/share/man/man4/ch.4	2007/11/04 19:04:42	1.10
@@ -94,7 +94,7 @@ They are defined
 in the header file
 .In sys/chio.h .
 .Pp
-.Bl -tag -width CHIOEXCHANGE
+.Bl -tag -width ".Dv CHIOEXCHANGE"
 .It Dv CHIOMOVE
 .Pq Vt "struct changer_move"
 Move a medium from one element to another