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:
 - multiple-choice-qa
 paperswithcode_id: headqa
+pretty_name: HEAD-QA
 ---
 
 # Dataset Card for HEAD-QA
@@ -251,4 +252,4 @@ The dataset is licensed under the [MIT License](https://mit-license.org/).
 ```
 ### Contributions
 
-Thanks to [@mariagrandury](https://github.com/mariagrandury) for adding this dataset.
+Thanks to [@mariagrandury](https://github.com/mariagrandury) for adding this dataset.