Update README.md

README.md

@@ -56,7 +56,16 @@ pip install datasets
 ```
 Then it can be downloaded automatically with
 ```python
-import numpy as np
 from datasets import load_dataset
 dataset = load_dataset('WenhaoWang/D-Rep')
+```
+
+### Manual
+
+You can also download each file by ```wget```:
+
+```
+wget https://huggingface.co/datasets/WenhaoWang/D-Rep/resolve/main/training_pairs.tar
+wget https://huggingface.co/datasets/WenhaoWang/D-Rep/resolve/main/test_pairs.tar
+wget https://huggingface.co/datasets/WenhaoWang/D-Rep/resolve/main/labels.csv
 ```