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-rw-r--r--man/btrfstune.8.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/man/btrfstune.8.in b/man/btrfstune.8.in
index d4b2b7c2..03133244 100644
--- 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.