Update README.md

README.md

@@ -43,7 +43,7 @@ For each subpage, OCR and table extraction annotations from two sources are avai
 
 The WikiDT dataset has the following file structure.
 
-```
+```sh
 +--WikiDT-dataset
 |  +--WikiTableExtraction
 |  |  +--detection
@@ -70,7 +70,11 @@ The WikiDT dataset has the following file structure.
 |  |  +--val.json  #
 |  +--images  # full page image
 |  +--ocr  #  text and bbox for the table content
+|  |  +--textract # detected by Amazon Textract API
+|  |  +--web # extracted from HTML information
 |  +--tsv  # extracted table in tsv format
+|  |  +--textract # detected by Amazon Textract API
+|  |  +--web # extracted from HTML information
 ```
 
 ### Table VQA annotation example