btrfs-progs: docs: update btrfs-filesystem manual page

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/Documentation/btrfs-filesystem.asciidoc b/Documentation/btrfs-filesystem.asciidoc
index dc032faa56d801c95b0eb02c93db490638880b5e..8fb15eacafc9fc48d0d0f0fc28488d94f8b5c14e 100644 (file)
--- a/Documentation/btrfs-filesystem.asciidoc
+++ b/Documentation/btrfs-filesystem.asciidoc
@@ -11,9 +11,10 @@ SYNOPSIS
 
 DESCRIPTION
 -----------
-*btrfs filesystem* is used to do the whole filesystem level tasks, including
-all the regular filesystem operations like resizing, space stats, label
-setting/getting, and defragmentation.
+*btrfs filesystem* is used to perform several whole filesystem level tasks,
+including all the regular filesystem operations like resizing, space stats,
+label setting/getting, and defragmentation. There are other whole filesystem
+taks like scrub or balance that are grouped in separate commands.
 
 SUBCOMMAND
 ----------