Update files from the datasets library (from 1.18.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.18.0

README.md

@@ -21,6 +21,7 @@ task_categories:
 task_ids:
 - text-classification-other-discourse-marker-prediction
 paperswithcode_id: discovery
+pretty_name: Discovery
 ---
 
 
@@ -167,4 +168,4 @@ Self supervised (see paper)
 
 ### Contributions
 
-Thanks to [@sileod](https://github.com/sileod) for adding this dataset.
+Thanks to [@sileod](https://github.com/sileod) for adding this dataset.