diff --git a/frontend/locales/ja-JP.json b/frontend/locales/ja-JP.json
index 401d3e21..987572e3 100644
--- a/frontend/locales/ja-JP.json
+++ b/frontend/locales/ja-JP.json
@@ -215,12 +215,14 @@
         "items": "アイテム",
         "join_discord": "Discordサーバーへの参加",
         "labels": "ラベル",
+        "loading": "読込中…",
         "locations": "ロケーション",
         "maintenance": "メンテナンス情報",
         "name": "名前",
         "password": "パスワード",
         "quantity": "数量",
         "read_docs": "ドキュメントを読む",
+        "return_home": "ホームへ戻る",
         "save": "保存",
         "search": "検索",
         "sign_out": "ログアウト",