Fix gen_vocab command in README

README.md

@@ -21,7 +21,7 @@ docker run --gpus all -it -v /tmp/trocr-chinese:/trocr-chinese trocr-chinese:lat
 8. Generate custom vocab:
 ```
 python gen_vocab.py \
-       --dataset_path "dataset/cust-data/0/*.txt" \
+       --dataset_path "dataset/*.txt" \
        --cust_vocab ./cust-data/vocab.txt
 ```
 9. Download pretrained weights from https://pan.baidu.com/s/1rARdfadQlQGKGHa3de82BA, password: 0o65