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:
 - named-entity-recognition
 paperswithcode_id: null
+pretty_name: Igbo NER dataset
 ---
 
 # Dataset Card for Igbo NER dataset
@@ -150,4 +151,4 @@ Here is an example from the dataset:
 
 ### Contributions
 
-Thanks to [@purvimisal](https://github.com/purvimisal) for adding this dataset.
+Thanks to [@purvimisal](https://github.com/purvimisal) for adding this dataset.