btrfs-progs: fix a manpage item for btrfstune

btrfstune operates on umounted devices <device>,
not mount points <mnt>. fix it.

Signed-off-by: Gui Hecheng <guihc.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/man/btrfstune.8.in b/man/btrfstune.8.in
index d4b2b7c..0313324 100644 (file)
--- a/man/btrfstune.8.in
+++ b/man/btrfstune.8.in
@@ -2,7 +2,7 @@
 .SH NAME
 btrfstune \- tune various filesystem parameters.
 .SH SYNOPSIS
-.B btrfstune [\fIoptions\fP] \fI<mnt>\fP
+.B btrfstune [\fIoptions\fP] \fI<device>\fP
 .SH DESCRIPTION
 \fBbtrfstune\fP is used to tune various filesystem parameters,you can
 enable/disable some extended features for btrfs.