Update README.md

README.md

@@ -54,4 +54,6 @@ dataset_info:
 ---
 # Dataset Card for "PGM"
 
-[More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+Dataset for the paper [Measuring abstract reasoning in neural networks
+](https://arxiv.org/abs/1807.04225).
+Only the `neutral` config is present at this point.