Update README.md

README.md

@@ -90,6 +90,7 @@ configs:
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 ## 📊 ChartAlignBench
+[**📖 Paper**]() | [**💻 GitHub**]()
 
 ChartAlignBench is a multi-modal benchmark designed to evaluate vision-language models (VLMs) on dense-level chart grounding and multi-chart alignment to comprehensively assess fine-grained chart understanding in VLMs. 
 
@@ -130,7 +131,7 @@ robustness_subset = load_dataset("umd-zhou-lab/ChartAlignBench", "robustness")
 |imgname | Name of the chart image |
 |chart_type | Type of chart|
 |alignment_json | Alignment label for the chart pair |
-|image_pair | Image of the (horizontally stitched) chart pair | 
+|image_pair | Image of horizontally stitched chart pair (PIL.Image) | 
 
 
 #### Data Grounding and Alignment