Update CONTRIBUTING.md

Author: mattdeform

CONTRIBUTING.md

@@ -42,7 +42,7 @@
 ## Contributing
 1. Fork the Project.
 2. Create your Feature Branch (`git checkout -b feature_name`).
-3. Commit your Changes (`git commit -m 'feat: Add some AmazingFeature'`).
+3. Commit your Changes (`git commit -a -m "feat: a wonderful new feature"`).
 4. Push to the Branch (`git push origin feature_name`).
 5. Open a Pull Request.
 
@@ -174,4 +174,4 @@ Continuous integration is set up with [GitHub Actions][github-actions-url], work
 <p align="right">(<a href="#readme-top">back to top</a>)</p>
 
 
-[github-actions-url]: https://github.com/features/actions
+[github-actions-url]: https://github.com/features/actions