From e3fabb17e8bc97d31672e7b5b658fe08a2e32ba1 Mon Sep 17 00:00:00 2001
From: Brian McGee <brian@bmcgee.ie>
Date: Thu, 2 May 2024 11:52:01 +0100
Subject: [PATCH] doc: update usage with info about walkers.

Signed-off-by: Brian McGee <brian@bmcgee.ie>
---
 docs/usage.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/usage.md b/docs/usage.md
index 7fd41db..3a34b55 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -16,6 +16,12 @@ treefmt [FLAGS] [OPTIONS] [--] [paths]...
 
 ## Flags
 
+`--walk <auto|git|filesystem>`
+
+> The method used to traverse the files within `<tree-root>`.
+> Default is `auto`, where we will detect if the `<tree-root>` is a git repository and use the `git` walker for
+> traversal. If not we will fall back to the `filesystem` walker.
+
 `--allow-missing-formatter`
 
 > Do not exit with an error if some of the configured formatters are missing.