Update README.md

README.md

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 license: cc-by-sa-4.0
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-This dataset contains images converted from the PDF files of the [JDocQA](https://github.com/mizuumi/JDocQA), which focuses on chart and table understanding. 
+This dataset contains QA with images converted from the PDF files of the [JDocQA](https://github.com/mizuumi/JDocQA), which focuses on chart and table understanding. 
 The conversion was done using pdf2image.
 
-The original dataset includes 1,176 examples, but 12 could not be converted into images. As a result, this image dataset consists of 1,164 examples in total.
+The original dataset includes 1,176 examples, but 12 examples could not be converted into images. As a result, this image dataset consists of 1,164 examples in total.
 
 We are uploading it here for use in the evaluation of [llm-jp-eval-mm](https://github.com/llm-jp/llm-jp-eval-mm).