diff --git a/docs/telegram-usage.md b/docs/telegram-usage.md
index ce2d715a0..09cf21223 100644
--- a/docs/telegram-usage.md
+++ b/docs/telegram-usage.md
@@ -35,12 +35,30 @@ Copy the API Token (`22222222:APITOKEN` in the above example) and keep use it fo
 
 Don't forget to start the conversation with your bot, by clicking `/START` button
 
-### 2. Get your user id
+### 2. Telegram user_id
+
+#### Get your user id
 
 Talk to the [userinfobot](https://telegram.me/userinfobot)
 
 Get your "Id", you will use it for the config parameter `chat_id`.
 
+#### Use Group id
+
+You can use bots in telegram groups by just adding them to the group. You can find the group id by first adding a [RawDataBot](https://telegram.me/rawdatabot) to your group. The Group id is shown as id in the `"chat"` section, which the RawDataBot will send to you:
+
+``` json
+"chat":{
+   "id":-1001332619709
+}
+```
+
+For the Freqtrade configuration, you can then use the the full value (including `-` if it's there) as string:
+
+```json
+   "chat_id": "-1001332619709"
+```
+
 ## Control telegram noise
 
 Freqtrade provides means to control the verbosity of your telegram bot.