Update files from the datasets library (from 1.18.0)

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

README.md

@@ -23,6 +23,7 @@ task_ids:
 - multi-class-classification
 - parsing
 paperswithcode_id: multiwoz
+pretty_name: Multi-domain Wizard-of-Oz
 ---
 
 # Dataset Card for MultiWOZ
@@ -279,4 +280,4 @@ Version 2.2
 
 ### Contributions
 
-Thanks to [@yjernite](https://github.com/yjernite) for adding this dataset.
+Thanks to [@yjernite](https://github.com/yjernite) for adding this dataset.