Update README.md

added note on the bind = setting for OSX

README.md

@@ -85,10 +85,17 @@ cp sample.config.ini config.ini
 
 Edit `config.ini` to match your MQTT and web server settings:
 
+
 ```bash
 nano config.ini
 ```
 
+> **NOTE**
+> On MacOS set the bind configuration line to 
+> ```
+> bind = 127.0.0.1
+> ```
+
 Example:
 
 ```ini