Update README.md

README.md

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 license: mit
 ---
 
-This is the page images of all documents of the VisR-Bench dataset. The GitHub repo for testing code: [VisR-Bench](https://github.com/puar-playground/VisR-Bench/tree/main).
+
+
+## Data Download
+This is the page images of all documents of the VisR-Bench dataset.
+```
+git lfs install
+git clone https://huggingface.co/datasets/puar-playground/VisR-Bench
+```
+The code above will download the `VisR-Bench` folder, which is required for testing retrieval performance. The GitHub repo for testing code: [VisR-Bench](https://github.com/puar-playground/VisR-Bench/tree/main).