btrfs-progs: Update the usage strings of some cmds

Update the usage strings of some cmds to keep the them consistent with
the source.

Also some minor changes are done to fit the man page syntax.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/btrfs.c b/btrfs.c
index 4e93e13a..c580103b 100644
--- a/btrfs.c
+++ b/btrfs.c
@@ -188,7 +188,7 @@ const struct cmd_group btrfs_cmd_group;
 
 static const char * const cmd_help_usage[] = {
 	"btrfs help [--full]",
-	"Dislay help information",
+	"Display help information",
 	"",
 	"--full     display detailed help on every command",
 	NULL