Fix language and task array (#2)

- Fix language and task array (5ab621fcfa46cbcffd767b5336bd9aa62a061614)


Co-authored-by: Albert Villanova <albertvillanova@users.noreply.huggingface.co>

README.md

@@ -1,6 +1,7 @@
 ---
-languages: en
-task_categories: text-classification
+language: en
+task_categories:
+- text-classification
 tags:
 - long context
 task_ids: