Fix language and license tag names (#1)

- Fix language and license tag names (d7fe5408c243fb75ad7f4efc778760dea1a1eb46)

README.md

@@ -1,17 +1,15 @@
 ---
-YAML tags:
 annotations_creators:
 - expert-generated
 - crowdsourced
 language_creators:
 - expert-generated
-languages:
-- en-US
-licenses:
-- other-individual-licenses
+language:
+- en
+license:
+- other
 multilinguality:
 - monolingual
-pretty_name: 'Real-world Annotated Few-shot Tasks: RAFT'
 size_categories:
 - unknown
 source_datasets:
@@ -22,6 +20,9 @@ task_categories:
 - text-classification
 task_ids:
 - multi-class-classification
+pretty_name: 'Real-world Annotated Few-shot Tasks: RAFT'
+language_bcp47:
+- en-US
 ---
 
 # Dataset Card for RAFT