diff --git a/README.md b/README.md
index f2fe9ab0..d54e9a89 100644
--- a/README.md
+++ b/README.md
@@ -668,6 +668,12 @@ You can also manually edit your own configuration, from scratch:
   5. try to guess (`imap.example.com`, `smtp.example.com`…)
 </details>
 
+<details>
+  <summary>How to disable color output?</summary>
+
+  Simply set the environment variable NO_COLOR=1
+</details>
+
 ## Sponsoring
 
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