diff --git a/README.md b/README.md
index 61489eb..4e8e79e 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,20 @@
-# bluewind
+# Bluewind
+
+[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 
 Bluetooth control app for Wahoo Headwind.
 
+## Usage
+
 To run the flask app:
 ```bash
+export FLASK_ADDRESS='<headwind bluetooth address>'
 flask --app api run --host=0.0.0.0
-```
\ No newline at end of file
+```
+
+## Support
+If you find this open source project useful consider leaving me a tip.
+
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/K3K8QVJRK)
+
+If you would like to contribute, feel free to reach out, you can find my contact details at [https://blog.octopusx.de](https://blog.octopusx.de).
\ No newline at end of file