From ff4f21f7aae2cdc25fcbef413fd302ddc9037501 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@dashbit.co>
Date: Fri, 12 Nov 2021 11:32:03 +0100
Subject: [PATCH] Clarify root access docs, closes #701 (#702)

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

diff --git a/README.md b/README.md
index 2b9b35c61..2a9070d76 100644
--- a/README.md
+++ b/README.md
@@ -167,7 +167,9 @@ The following environment variables configure Livebook:
     to run on the same domain but different ports, you also need to set LIVEBOOK_SECRET_KEY_BASE.
     Defaults to 8080.
 
-  * LIVEBOOK_ROOT_PATH - sets the root path to use for file selection.
+  * LIVEBOOK_ROOT_PATH - sets the root path to use for file selection. This does
+    not restrict access to upper directories unless the operating system user is
+    also restricted.
 
   * LIVEBOOK_SECRET_KEY_BASE - sets a secret key that is used to sign and encrypt
     the session and other payloads used by Livebook. Must be at least 64 characters