diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 3ce888713..4bdb3f716 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -1442,4 +1442,4 @@ ja:
   label_issue_attachment_added: 添付ファイルの追加
   field_estimated_remaining_hours: 残工数
   field_last_activity_date: 最終活動日
-  setting_issue_done_ratio_interval: Done ratio options interval
+  setting_issue_done_ratio_interval: 進捗率の選択肢の間隔