Update README.md

Author: aahnik

README.md

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 # telegram-chat-forward
 
-[![telegram-chat](https://img.shields.io/badge/group-@tgChatForward-blue?logo=telegram)](https://telegram.me/tgChatForward)
+[![telegram-chat](https://img.shields.io/badge/channel-@tgchatf-blue?logo=telegram)](https://telegram.me/tgchatf)
 [![made-with-python](https://img.shields.io/badge/Made%20with-Python-1f425f.svg)](https://www.python.org/)
 [![MIT license](https://img.shields.io/pypi/l/ansicolortags.svg)](https://aahnik.github.io/)