diff --git a/README.md b/README.md
index cf4e303..ea1bb01 100644
--- a/README.md
+++ b/README.md
@@ -221,6 +221,8 @@ wedding-phone/
     └── index.html            # Web interface (embedded in script)
 ```
 
+**Note:** The `templates/index.html` file is automatically generated when you first run `rotary_phone_web.py`. If you update the script and want to regenerate the template with new features, simply delete the `templates` directory and restart the script.
+
 ### Runtime Data (Auto-created)
 
 ```