Fix language and license tag names and language tags

README.md

@@ -3,14 +3,13 @@ annotations_creators:
 - expert-generated
 language_creators:
 - other
-language:
-- en
-- ko
-language_bcp47:
+languages:
 - en-US
 - ko-KR
-license:
-- cc-by-nc-nd-4.0
+- en
+- ko
+licenses:
+- cc-by-nc-nd-1.0
 multilinguality:
 - translation
 - multilingual