Update readme

Author: andrew-codechimp

README.md

@@ -24,21 +24,22 @@ Battery low, replaced and not reported are all via events and actions, you have
 
 ## Installation
 
-### HACS
+**Important**
+
+Once you have installed battery notes using either HACS or manually as per the instructions below you must add the following entry to your `configuration.yaml`, then restart Home Assistant.  This will enable discovery of your devices.  
+```
+battery_notes:
+```
+
+If you need to add a device that is not automatically discovered from the library go to Settings -> Integrations click "+" and search for "Battery Notes"
+
+### HACS Installation
 
 [![Open your Home Assistant instance and open a repository inside the Home Assistant Community Store.](https://my.home-assistant.io/badges/hacs_repository.svg)](https://my.home-assistant.io/redirect/hacs_repository/?owner=andrew-codechimp&repository=HA-Battery-Notes&category=Integration)
 
 Or
 Search for `Battery Notes` in HACS and install it under the "Integrations" category.
 
-**Important**
-
-Add the following entry to your `configuration.yaml`
-```
-battery_notes:
-```
-Restart Home Assistant  
-In the HA UI go to Settings -> Integrations click "+" and search for "Battery Notes"
 
 ### Manual Installation
 <details>