diff --git a/README-ja.md b/README-ja.md
index 07142b49..78de4091 100644
--- a/README-ja.md
+++ b/README-ja.md
@@ -73,7 +73,7 @@ client = Client('en-US')
 
 async def main():
     # アカウントにログイン
-    client.login(
+    await client.login(
         auth_info_1=USERNAME ,
         auth_info_2=EMAIL,
         password=PASSWORD