diff --git a/translations/fediplan.ja.yaml b/translations/fediplan.ja.yaml
index fe49a98..2d043b0 100644
--- a/translations/fediplan.ja.yaml
+++ b/translations/fediplan.ja.yaml
@@ -39,8 +39,8 @@ error:
   general: エラーが発生しました！
   instance:
     mastodon_only: 無効なMastodonインスタンスです！
-    mastodon_client_id: Something went wrong when retrieving the client id!
-    mastodon_oauth_url: Something went wrong when getting the authorization URL!
+    mastodon_client_id: クライアントIDの取得時にエラーが発生しました！
+    mastodon_oauth_url: 認証URLの取得時にエラーが発生しました！
     mastodon_token: Something went wrong when getting the token!
     mastodon_account: Something went wrong when retrieving the account!
     mastodon_account_already_used: This account is already managed by someone else!