Update README.md

README.md

@@ -4,7 +4,7 @@ license: apache-2.0
 
 This is a blank model page that connects the following arxiv preprint:
 
-[An Explainable Machine Learning Approach to Visual-Interactive Labeling: A Case Study on Non-communicable Disease Data](https://arxiv.org/abs/2209.12778)
+An Explainable Machine Learning Approach to Visual-Interactive Labeling: A Case Study on Non-communicable Disease Data [[1]](https://arxiv.org/abs/2209.12778)[[2]](https://arxiv.org/abs/2209.12778v1).  
 Donlapark Ponnoprat, Parichart Pattarapanitchai, Phimphaka Taninpong, Suthep Suantai
 
 to the demo of the official app **XLabel** at https://huggingface.co/spaces/Donlapark/XLabel.