Update files from the datasets library (from 1.9.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.9.0

README.md

@@ -13,7 +13,7 @@ size_categories:
   task1_qa:
   - 100K<n<1M
   task2_recs:
-  - n>1M
+  - 1M<n<10M
   task3_qarecs:
   - 100K<n<1M
   task4_reddit:
@@ -25,6 +25,7 @@ task_categories:
 task_ids:
 - dialogue-modeling
 paperswithcode_id: mdd
+pretty_name: Movie Dialog dataset (MDD)
 ---
 
 # Dataset Card for MDD