btrfs-progs: Describe optarg of -m option in the manpage of receive

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/Documentation/btrfs-receive.asciidoc b/Documentation/btrfs-receive.asciidoc
index 84b85c1..758eebe 100644 (file)
--- a/Documentation/btrfs-receive.asciidoc
+++ b/Documentation/btrfs-receive.asciidoc
@@ -43,7 +43,7 @@ or on EOF.
 --max-errors <N>::
 Terminate as soon as N errors happened while processing commands from the send
 stream. Default value is 1. A value of 0 means no limit.
--m::
+-m <mountpoint>::
 The root mount point of the destination fs.
 +
 By default the mountpoint is searched in /proc/self/mounts.