From 33c8a789fd3ca90cf405862cc2efc338c4699fff Mon Sep 17 00:00:00 2001
From: James Cherti <60946298+jamescherti@users.noreply.github.com>
Date: Sun, 18 Aug 2024 14:35:59 -0400
Subject: [PATCH] Update README.md

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 87c1c48..866b930 100644
--- a/README.md
+++ b/README.md
@@ -130,6 +130,11 @@ However, an alternative lightweight approach is to simply change the default `~/
 (setq user-emacs-directory minimal-emacs-var-dir)
 ```
 
+To prevent Emacs from saving customization information to a custom file, set `custom-file` to `null-device`:
+```
+(setq custom-file null-device)
+```
+
 ### How to activate recentf, savehist, saveplace, and auto-revert?
 
 The recentf, savehist, saveplace, and auto-revert built-in packages are already configured by `minimal-emacs.d`. All you need to do is activate them by adding the following to `~/.emacs.d/post-init.el`: