Update README.md (#117)

README.md

@@ -42,6 +42,7 @@ A custom component designed for [Home Assistant](https://www.home-assistant.io)
     - AX91-604DG
 
 ### Install with HACS (recommended)
+
 Do you you have [HACS][hacs] installed? Just search for Electrolux Wellbeing and install it direct from HACS. HACS will keep track of updates and you can easily upgrade this integration to latest version.
 
 ### Manual Installation
@@ -54,6 +55,9 @@ Do you you have [HACS][hacs] installed? Just search for Electrolux Wellbeing and
 6. Restart Home Assistant
 7. In the HA UI go to "Configuration" -> "Integrations" click "+" and search for "Electrolux Wellbeing"
 
+### Configuration
+To use this integration you need to login in to https://developer.electrolux.one/ using your Electrolux account details and generate an API key, Access Token and Refresh Token that is needed in the configuration.
+
 
 Contributions are welcome!