Update README.md

README.md

@@ -7,7 +7,7 @@ pipeline_tag: text-to-image
 # ImageReward
 
 <p align="center">
-   🤗 <a href="https://huggingface.co/THUDM/ImageReward" target="_blank">HF Repo</a> • 🐦 <a href="https://twitter.com/thukeg" target="_blank">Twitter</a> • 📃 <a href="https://arxiv.org/abs/2304.05977" target="_blank">Paper</a> <br>
+   <a href="https://github.com/THUDM/ImageReward" target="_blank">Github Repo</a> • 🐦 <a href="https://twitter.com/thukeg" target="_blank">Twitter</a> • 📃 <a href="https://arxiv.org/abs/2304.05977" target="_blank">Paper</a> <br>
 </p>
 
 **ImageReward: Learning and Evaluating Human Preferences for Text-to-Image Generation**