diff --git a/docs/configuring-playbook-bridge-mautrix-telegram.md b/docs/configuring-playbook-bridge-mautrix-telegram.md
index 91596afc4c9..47ddad9092a 100644
--- a/docs/configuring-playbook-bridge-mautrix-telegram.md
+++ b/docs/configuring-playbook-bridge-mautrix-telegram.md
@@ -64,3 +64,7 @@ If you like to exclude all groups from syncing and use the Telgeram-Bridge only
 ```yaml
 matrix_mautrix_telegram_filter_mode: whitelist
 ```
+If you like to enable specific Group/Channels, use:
+`!filter whitelist <chat ID>` --> only Bot-Admins are able to do that!
+
+To get the chat-ID you can use this [TG-BOT](https://t.me/username_to_id_bot) or options listed [here](https://github.com/GabrielRF/telegram-id).