@@ -1,4 +1,4 @@
-.\"	$NetBSD: fsck_ffs.8,v 1.48 2011/05/14 19:46:10 dholland Exp $
+.\"	$NetBSD: fsck_ffs.8,v 1.49 2012/03/06 10:30:20 wiz Exp $
 .\"
 .\" Copyright (c) 1980, 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)fsck.8	8.3 (Berkeley) 11/29/94
 .\"
-.Dd May 14, 2011
+.Dd March 6, 2012
 .Dt FSCK_FFS 8
 .Os
 .Sh NAME
@@ -163,6 +163,12 @@
 .Ar block
 as the super block for the file system.
 Block 32 is usually an alternative super block.
+The
+.Fl b
+option of the
+.Xr scan_ffs 8
+utility can also be used to find the offset of other super block backups
+in a file system.
 .It Fl c Ar level
 Convert the FFSv1 file system to the level
 .Ar level .
@@ -367,4 +373,5 @@
 .Xr fsck 8 ,
 .Xr fsdb 8 ,
 .Xr newfs 8 ,
-.Xr reboot 8
+.Xr reboot 8 ,
+.Xr scan_ffs 8