Update debug (#2675)

* Update debug

* update

docs/guide/usage/debug.md

@@ -7,38 +7,17 @@ sidebarDepth: 1
 In case Zigbee2MQTT isn't working as expected the following tips can help you in finding the problem.
 
 ## Enabling logging
-
-### Zigbee2MQTT debug logging
-To enable debug logging for Zigbee2MQTT add the following in your `configuration.yaml`
+To enable debug logging, add the following in your `configuration.yaml`
 
 ```yaml
 advanced:
   log_level: debug
 ```
 
-### Zigbee-herdsman debug logging
-To enable debug logging for Zigbee-herdman start Zigbee2MQTT with: `DEBUG=zigbee-herdsman* npm start`. Zigbee-herdsman is the Zigbee library where Zigbee2MQTT is based up-on.
-
-**Important:** this is **not** logged to the log files and is only available on the STDOUT/STDERR.
-
-To enable debug logging in the Zigbee2MQTT Docker container add `-e DEBUG=zigbee-herdsman*` to your `docker run` command. The logging can be retrieved via `docker logs ZIGBEE2MQTT_CONTAINER_NAME > log.txt 2>&1`.
-
-### Home Assistant OS/Supervised addon
-- Go to `Supervisor` in the main menu and click on the `Zigbee2MQTT` addon or follow this deep [link](https://my.home-assistant.io/redirect/supervisor_addon/?addon=45df7312_zigbee2mqtt&repository_url=https%3A%2F%2Fgithub.com%2Fzigbee2mqtt%2Fhassio-zigbee2mqtt) 
-- In the top tabs, click on `Configuration`
-- Toggle the option: `Show unused optional configuration options`
-- Toggle the option: `zigbee_herdsman_debug`
-- Click `Save`, and when prompted to restart, click `Restart add-on`
-
-Herdsman debug logs should now show up on the `Logs` tab for the addon.
-
-To grab all the logs, log in via SSH and execute:
-
-```
-docker logs CONTAINER_ID > log.txt 2>&1
-```
-
-To determine the `CONTAINER_ID` execute `docker ps`.
+In the logging you will see the following abbreviations:
+- `z2m`: Zigbee2MQTT
+- `zh`: [zigbee-herdsman](https://github.com/koenkk/zigbee-herdsman), logged events from the Zigbee library used by Zigbee2MQTT.
+- `zhc`: [zigbee-herdsman-converters](https://github.com/koenkk/zigbee-herdsman-converters), logged events from the devices support library.
 
 ## Change log level during runtime
 See [MQTT topics and message structure](./mqtt_topics_and_messages.md)