Update README

README.md

@@ -271,7 +271,7 @@ Contributions are very welcome! To have as smooth of an experience as possible,
 
 * **Forking**: Fork the main repository to your personal GitHub account. Develop your changes and submit pull requests to the main repository for review.
 * **Code Style**: Format with `black` and lint with `ruff`.
-* **Type Annotations**: If you use type annotations make sure to set (and pass) mypy checks.
+* **Type Annotations**: If you use type annotations make sure to set (and pass) `mypy` checks.
 * **Documentation**: Documented contributions are easier to understand and review.
 
 **Suggested contributions**: Tests, Bug Fixes, Code Optimization, New Modules (reach out to Anastasios if you don't know where to start with developing a new module).