Update README.md

Author: VZout

README.md

@@ -2,7 +2,7 @@
 
 [![Contributor Covenant](https://img.shields.io/badge/contributor%20covenant-v1.4%20adopted-ff69b4.svg)](CODE_OF_CONDUCT.md)
 [![Embark](https://img.shields.io/badge/embark-open%20source-blueviolet.svg)](http://embark.dev)
-[![Embark](https://img.shields.io/badge/discord%20chat-ark-green.svg)](https://discord.gg/dAuKfZS)
+[![Embark](https://img.shields.io/badge/discord-ark-%237289da.svg?logo=discord)](https://discord.gg/dAuKfZS)
 
 This is a very early stage project to make Rust a first-class language and ecosystem for building GPU code 🚀🚧