add link to breaking change

Author: micaelakaplan

label_studio_ml/examples/segment_anything_2_image/README.md

@@ -152,7 +152,7 @@ cd ~/sam2
 label-studio-ml start ../label-studio-ml-backend/label-studio-ml/examples/segment_anything_2_image
 ```
 
-Due to breaking changes from Meta, it is CRUCIAL that you run this command from the sam2 directory at your root directory. 
+Due to breaking changes from Meta [HERE](https://github.com/facebookresearch/sam2/blob/c2ec8e14a185632b0a5d8b161928ceb50197eddc/sam2/build_sam.py#L20), it is CRUCIAL that you run this command from the sam2 directory at your root directory. 
 
 4. Connect running ML backend server to Label Studio: go to your project `Settings -> Machine Learning -> Add Model` and specify `http://localhost:9090` as a URL. Read more in the official [Label Studio documentation](https://labelstud.io/guide/ml#Connect-the-model-to-Label-Studio).