chore: update README.md

README.md

@@ -10,4 +10,7 @@ User-bot resend message received from trusted peer to peer specified in message
 This makes more sense for forwarding files, since each user has a unique ID for uploaded files.
 
 ## Docker
-Deploy ready container available on [DockerHub](https://hub.docker.com/r/morb0/tgbridge).
+Deploy ready container available on [DockerHub](https://hub.docker.com/r/morb0/tgbridge).
+
+⚠️ Bots cannot write to you first, so be sure to initiate a dialog with the bot you'll be receiving messages from first. This can be done manually if you have direct access to the account or make it write to the bot itself - `|myBot|/start`. But do not forget to add the ID of yourself and the bot in the `ALLOWED_PEER_IDS` variable.\
+Also, make a username for your user-bot, as bots can only write to you if you have it setup.