fix a manpage glitch

mksh.1

@@ -1,4 +1,4 @@
-.\"	$MirOS: src/bin/mksh/mksh.1,v 1.3 2005/05/25 10:01:24 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.4 2005/05/25 14:15:40 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.98 2005/05/12 09:18:24 jmc Exp $
 .\" $OpenBSD: sh.1tbl,v 1.53 2004/12/10 01:56:56 jaredy Exp $
 .\"
@@ -3546,7 +3546,7 @@ In the original Korn shell, unless
 was set, the vi command-line mode would let the
 .Xr tty 4
 driver do the work until ESC (^[) was entered.
-.Nm pdksh
+.Nm
 is always in viraw mode.
 .El
 .Pp