Update README.md

Author: tae898

README.md

@@ -248,7 +248,7 @@ Contributions are what make the open source community such an amazing place to b
 4. Push to the Branch (`git push origin feature/AmazingFeature`)
 5. Open a Pull Request
 
-## Citation
+## Cite our paper
 
 Check out the [paper](https://arxiv.org/abs/2108.08186).
 ```bibtex