Change language `kr` -> `ko` (#1)

- Change language `kr` -> `ko` (1d76853c39eee4eeebfae675276c326d144ca0d2)


Co-authored-by: Dowon Hwang <Bingsu@users.noreply.huggingface.co>

README.md

@@ -1,5 +1,6 @@
 ---
-language: "kr"
+language:
+- ko
 thumbnail:
 tags:
 - automatic-speech-recognition