From c974f9b4d9b5c76db1710330106ab211bea8767d Mon Sep 17 00:00:00 2001
From: xfocus3 <211965064+xfocus3@users.noreply.github.com>
Date: Mon, 1 Jun 2026 20:43:03 +0100
Subject: [PATCH] docs: mention branch checkout side effect

---
 README.md | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index c780919..32742b7 100644
--- a/README.md
+++ b/README.md
@@ -98,9 +98,10 @@ hyperfine \
     'rails runner true'
 ```
 
-Make sure your working tree is clean before switching branches. If you want to benchmark
-uncommitted changes, consider using `git worktree` and benchmarking the same command in each
-worktree instead.
+Make sure your working tree is clean before switching branches. Because this `--setup` command
+changes the checkout, the repository will remain on the last branch from `--parameter-list`
+after the benchmark finishes. If you want to benchmark uncommitted changes, consider using
+`git worktree` and benchmarking the same command in each worktree instead.
 
 ### Intermediate shell