Update README.md

README.md

@@ -30,10 +30,11 @@ To construct a comprehensive dataset for document parsing, we integrate both rea
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 # Data Structure
-- id: The MD5 hash of the image, which uniquely identifies the image.
-- image: Document image.
-- gt: The content represented in Markdown/HTML format.
-- bbox: The position of layout elements, represented by coordinates [x1, y1, x2, y2].
+
+- id: The MD5 hash of the image, which serves as its unique identifier.
+- image: The document image.
+- gt: The content of the document, formatted in Markdown/HTML.
+- bbox: The coordinates of layout elements, represented as a bounding box [x1, y1, x2, y2].
 - attributes: Metadata describing the document type and task category.
 
 # Citation