Merge pull request adonno#86 from adonno/magnusoverli-esphome-dev-info

Update README.md

README.md

@@ -44,8 +44,8 @@ This enables the PN532 module to communicate with the D1 over I2C, and is requir
 To flash the reader firmware to your D1 Mini you point ESPHome at [tagreader.yaml](tagreader.yaml).  
 > :warning: The tag reader requires the *dev* version of ESPHome until `1.16.0` is released with the `pn532_i2c` component.
 
-~~If you're new to ESPHome, we recommend that you use the [ESPHome Home Assistant add-on](https://esphome.io/guides/getting_started_hassio.html).~~
-The dev version of ESPHome is available after you add the ESPHome add-ons repository (https://github.com/esphome/hassio) to the Home Assistant Supervisor
+If you're new to ESPHome, we recommend that you use the [ESPHome Home Assistant add-on](https://esphome.io/guides/getting_started_hassio.html).
+The dev version of ESPHome is available after you add the ESPHome add-ons repository (https://github.com/esphome/hassio) to the Home Assistant Supervisor or you can simply add `esphome_version: dev` to your addon config
 
 ![Open Case](docs/open-case.jpg)