Update README.md

README.md

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 # UGround (The Initial LLaVA-based Version)
 
-UGround is a storng GUI visual grounding model trained with a simple recipe. Check our homepage and paper for more details.
+UGround is a strong GUI visual grounding model trained with a simple recipe. Check our homepage and paper for more details. This work is a collaboration between [OSUNLP](https://x.com/osunlp) and [Orby AI](https://www.orby.ai/).
 ![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