docs(Readme)

Author: danielperez9430

README.md

@@ -5,7 +5,7 @@
 Node.js module to interact with the official [Telegram Bot API](https://core.telegram.org/bots/api).
 
 
-[![Bot API](https://img.shields.io/badge/Bot%20API-v.7.10-00aced.svg?style=flat-square&logo=telegram)](https://core.telegram.org/bots/api)
+[![Bot API](https://img.shields.io/badge/Bot%20API-v.8.1-00aced.svg?style=flat-square&logo=telegram)](https://core.telegram.org/bots/api)
 [![npm package](https://img.shields.io/npm/v/node-telegram-bot-api?logo=npm&style=flat-square)](https://www.npmjs.org/package/node-telegram-bot-api)
 [![Coverage Status](https://img.shields.io/codecov/c/github/yagop/node-telegram-bot-api?style=flat-square&logo=codecov)](https://codecov.io/gh/yagop/node-telegram-bot-api)