docs: add --debug flag to readme

packages/osc/README.md

@@ -14,16 +14,28 @@ You should see something like:
 
 ```log
 osc client running on port 57120
-osc server running on port 7771
+osc server running on port 57121
 websocket server running on port 8080
 ```
 
+### --port
+
 By default it will use port 57120 for the osc client, which is what [superdirt](https://github.com/musikinformatik/SuperDirt) uses. You can change it via the `--port` option:
 
 ```sh
 npx @strudel/osc --port 7771 # classic dirt
 ```
 
+### --debug
+
+To log all incoming osc messages, add the `--debug` flag:
+
+```sh
+npx @strudel/osc --debug
+```
+
+## Usage in Strudel
+
 To test it in strudel, you have can use `all(osc)` to send all events through osc:
 
 ```js
@@ -32,7 +44,6 @@ $: s("bd*4")
 all(osc)
 ```
 
-
-[open in repl](hhttps://strudel.cc/#JDogcygiYmQqNCIpCgphbGwob3NjKQ%3D%3D)
+[open in repl](https://strudel.cc/#JDogcygiYmQqNCIpCgphbGwob3NjKQ%3D%3D)
 
 You can read more about [how to use Superdirt with Strudel the Tutorial](https://strudel.cc/learn/input-output/#superdirt-api)