Update README.md

README.md

@@ -106,4 +106,4 @@ control_mode=[2, None]
 - [Shakker-Labs/FLUX.1-dev-ControlNet-Union-Pro](https://huggingface.co/Shakker-Labs/FLUX.1-dev-ControlNet-Union-Pro)
 
 # Acknowledgements
-This project is trained by [InstantX Team](https://huggingface.co/InstantX) and sponsored by [Shakker AI](https://www.shakker.ai/). All copyright reserved.
+This project is trained by [InstantX Team](https://huggingface.co/InstantX) and sponsored by [Shakker AI](https://www.shakker.ai/). The original idea is inspired by [xinsir/controlnet-union-sdxl-1.0](https://huggingface.co/xinsir/controlnet-union-sdxl-1.0). All copyright reserved.