Update README.md

README.md

@@ -68,7 +68,7 @@ Layout analysis and reading order format:
       {
         "category": "The category is in [\"title\", \"plain_text\", \"table\", \"table_caption\", \"figure\", \"figure_caption\", \"header\", \"footer\"]"
         "bbox": [x1, y1, x2, y2],
-        "text": "text content of title, plain_text, table_caption, figure_caption, header or footer",
+        "text": "content of the element",
         "html": "table html"
       },
       ...