Update files from the datasets library (from 1.18.0)

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

README.md

@@ -24,6 +24,7 @@ task_ids:
 - open-domain-qa
 - summarization
 - text-simplification
+pretty_name: WikiSummary
 ---
 
 # Dataset Card for [Needs More Information]
@@ -169,4 +170,4 @@ The dataset was created by Mehrdad Farahani.
 
 ### Contributions
 
-Thanks to [@tanmoyio](https://github.com/tanmoyio) for adding this dataset.
+Thanks to [@tanmoyio](https://github.com/tanmoyio) for adding this dataset.