Fix language tag (#1)

- Fix language tag (6c5fda48804870d959a0cb3194ba4eb6794c6577)


Co-authored-by: Loïck BOURDOIS <lbourdois@users.noreply.huggingface.co>

README.md

@@ -1,6 +1,6 @@
 ---
 language:
-- jp
+- ja
 - en
 tags:
 - pytorch