Fix task_categories

README.md

@@ -5,26 +5,28 @@ language_creators:
 - crowdsourced
 language:
 - en
-language_bcp47:
-- en-US
 license:
 - mit
 multilinguality:
 - monolingual
-pretty_name: 'DebateSum: A large-scale argument mining and summarization dataset'
 size_categories:
-- 100K<n<1M 
+- 100K<n<1M
 source_datasets:
 - original
 task_categories:
-- conditional-text-generation
-- text-retrieval
 - question-answering
+- text-retrieval
+- text-generation
 task_ids:
 - summarization
 - document-retrieval
 - extractive-qa
 - abstractive-qa
+pretty_name: 'DebateSum: A large-scale argument mining and summarization dataset'
+language_bcp47:
+- en-US
+tags:
+- conditional-text-generation
 ---
 
 # DebateSum