Fix README.md

1 files changed, 36 insertions, 7 deletions

diff --git a/README.md b/README.md
index 381ad5c..53a3c81 100644
--- a/README.md
+++ b/README.md
@@ -1,18 +1,47 @@
 # soundbox-app
 
-This is an app to use [soundbox][1] devices. The current version is only a web
-radio player as a proof of concept. Future versions will add the audio
-streaming to soundbox devices.
+This is a graphical application to use [soundbox][1] devices. It is able to
+stream from a web radio URL to one or multiple soundbox devices simultaneously.
 
 ## Usage
 
-The [Go tool][2] and the [mpv media player][3] are required to use the app. It
-can be build and started like this:
+A configuration file like this has to be placed at
+`~/.config/soundbox/config.json` for the application to work:
 
 ```
-go run main.go
+{
+	"soundboxes": [
+		{
+			"name": "sb1",
+			"mac": "00:00:5e:00:53:01",
+			"enabled": true
+		},
+		{
+			"name": "sb2",
+			"mac": "00:00:5e:00:53:02",
+			"enabled": false
+		}
+	],
+	"urls": [
+		{
+			"name": "Radio One",
+			"url": "https://example.org/radio/one.mp3"
+		},
+		{
+			"name": "Radio Two",
+			"url": "https://example.org/radio/two.mp3"
+		}
+	]
+}
+```
+
+The [Go][2] and the [ffmpeg][3] tools are required to use the app. It can be
+build and started like this:
+
+```
+go run ./...
 ```
 
 [1]: https://xengineering.eu/git/soundbox
 [2]: https://go.dev
-[3]: https://mpv.io
+[3]: https://ffmpeg.org