Update files from the datasets library (from 1.18.0)

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

README.md

@@ -18,6 +18,7 @@ task_categories:
 task_ids:
 - language-modeling
 paperswithcode_id: null
+pretty_name: swahili
 ---
 
 # Dataset Card for [Dataset Name]
@@ -153,4 +154,4 @@ link = http://doi.org/10.5281/zenodo.3553423
 
 ### Contributions
 
-Thanks to [@akshayb7](https://github.com/akshayb7) for adding this dataset.
+Thanks to [@akshayb7](https://github.com/akshayb7) for adding this dataset.