Update README.md

Author: github-actions[bot]

README.md

@@ -94,7 +94,7 @@ curl -X POST "http://wol-client:5555/start" \
 > [!NOTE]
 > The `startupTime` field may be omitted. In that case, the [`PING_INTERVAL`](#ping_interval) and [`PING_RETRIES`](#ping_retries) settings will be used to periodically ping the host.
 
-**WoL Client** will respond with a `client_id`, which can be used to establish a **WebSocket connection** at `ws://wol-client/ws`.  
+**WoL Client** will respond with a `client_id`, which can be used to establish a **WebSocket connection** at `ws://wol-client:5555/ws`.  
 This WebSocket will send updates for each step of the process. The response contains:
 
 - `success`: `true` if the process finished successfully.