Fix language and license tag names and license tag (#1)

- Fix language and license tag names and license tag (69c454d4ed6e7d42abc62e2f840f22bbd7d83a4a)

README.md

@@ -3,10 +3,10 @@ annotations_creators:
 - no-annotation
 language_creators:
 - crowdsourced
-languages:
+language:
 - bo
-licenses:
-- aml
+license:
+- other
 multilinguality:
 - monolingual
 pretty_name: Tibetan Classical Buddhist Text Corpus
@@ -18,4 +18,8 @@ task_categories:
 - sequence-modeling
 task_ids:
 - language-modeling
----
+---
+
+# Licensing information
+
+Apple MIT License (AML).