Update README.md

README.md

@@ -8,7 +8,7 @@ UGround is a storng GUI visual grounding model trained with a simple recipe. Che
 ![radar](https://osu-nlp-group.github.io/UGround/static/images/radar.png)
 - **Homepage:** https://osu-nlp-group.github.io/UGround/
 - **Repository:** https://github.com/OSU-NLP-Group/UGround
-- **Papaer:** https://arxiv.org/abs/2410.05243
+- **Paper:** https://arxiv.org/abs/2410.05243
 - **Demo:** https://huggingface.co/spaces/orby-osu/UGround
 - **Point of Contact:** [Boyu Gou](mailto:gou.43@osu.edu)