Update README.md

README.md

@@ -1023,4 +1023,4 @@ If you use this dataset, please cite it as follows:
 
 ### Contributions
 
-Thanks to [@github-username](https://github.com/austinleedavis) for adding this dataset.
+Thanks to [@austinleedavis](https://github.com/austinleedavis) for adding this dataset.