Update files from the datasets library (from 1.18.0)

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

README.md

@@ -19,6 +19,7 @@ task_categories:
 task_ids:
 - machine-translation
 paperswithcode_id: null
+pretty_name: OpusMontenegrinsubs
 ---
 
 # Dataset Card for [opus_montenegrinsubs]
@@ -141,4 +142,4 @@ The underlying task is machine translation from en to me
 
 ### Contributions
 
-Thanks to [@spatil6](https://github.com/spatil6) for adding this dataset.
+Thanks to [@spatil6](https://github.com/spatil6) for adding this dataset.