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-rw-r--r--Documentation/btrfs-find-root.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/btrfs-find-root.txt b/Documentation/btrfs-find-root.txt
index c934b4cb..e04cd3e8 100644
--- a/Documentation/btrfs-find-root.txt
+++ b/Documentation/btrfs-find-root.txt
@@ -16,6 +16,8 @@ root tree's objectid, generation, level.
OPTIONS
-------
+-a::
+Search through all the metadata extents, even the root is already found.
-g <generation>::
Filter root tree by it's original transaction id, tree root's generation in default.
-o <objectid>::