Update README.md

README.md

@@ -23,7 +23,7 @@ To build and run the project, you just need to clone the repo and run it in Unit
 
 ## Contributing
 
-If you'd like to help out with the project, either join our [Discord](https://discord.cardgamesimulator.com) or email <[email protected]>
+If you'd like to help out with the project, either join our [Discord](http://discord.cardgamesimulator.com/) or email <[email protected]>
 
 ## License