Update files from the datasets library (from 1.18.0)

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

README.md

@@ -46,6 +46,7 @@ task_categories:
 task_ids:
 - machine-translation
 paperswithcode_id: null
+pretty_name: OpusWikipedia
 ---
 
 # Dataset Card Creation Guide
@@ -190,4 +191,4 @@ E.g.
 
 ### Contributions
 
-Thanks to [@rkc007](https://github.com/rkc007) for adding this dataset.
+Thanks to [@rkc007](https://github.com/rkc007) for adding this dataset.