Update README.md

README.md

@@ -15,7 +15,7 @@ datasets:
 Trained checkpoints for **OrbFlow**, which predicts atomic-orbital expansion coefficients (and the resulting
 electron density) with equivariant flow matching.
 
-- Code: https://github.com/TODO/OrbFlow
+- Code: https://github.com/divelab/AIRS/tree/main/OpenDFT/OrbFlow
 - Data: [divelab/OrbFlow-data](https://huggingface.co/datasets/divelab/OrbFlow-data)
 - Paper: TODO