Update files from the datasets library (from 1.18.0)

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

README.md

@@ -19,9 +19,10 @@ task_ids:
 - extractive-qa
 - open-domain-qa
 paperswithcode_id: null
+pretty_name: Piaf
 ---
 
-# Dataset Card for "piaf"
+# Dataset Card for Piaf
 
 ## Table of Contents
 - [Dataset Description](#dataset-description)
@@ -189,4 +190,4 @@ The data fields are the same among all splits.
 
 ### Contributions
 
-Thanks to [@lewtun](https://github.com/lewtun), [@lhoestq](https://github.com/lhoestq), [@thomwolf](https://github.com/thomwolf), [@albertvillanova](https://github.com/albertvillanova), [@RachelKer](https://github.com/RachelKer) for adding this dataset.
+Thanks to [@lewtun](https://github.com/lewtun), [@lhoestq](https://github.com/lhoestq), [@thomwolf](https://github.com/thomwolf), [@albertvillanova](https://github.com/albertvillanova), [@RachelKer](https://github.com/RachelKer) for adding this dataset.