Update README.md

README.md

@@ -4,4 +4,6 @@ license: cc-by-nc-4.0
 
 Our generated videos are sourced from the open-source videos of VBench, using the following link: [Videos](https://drive.google.com/drive/folders/1bm7zSu2wxT7wY8IpitmJc_7qi8EYMCim "Videos"). Please use the **name** field in the **.csv** file to index the corresponding video.
 
-The **questions** and **options** in the CSV file are numbered sequentially. For the specific questions or options corresponding to each number, please refer to **index** in the **JSON** file.
+The **questions** and **options** in the CSV file are numbered sequentially. For the specific questions or options corresponding to each number, please refer to **index** in the **JSON** file.
+
+In the **Original_csv folder**, please change the suffix **.csv_bac** to **.csv** for use.