diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index d0c11df2bc..92f849efbb 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -2849,6 +2849,7 @@ _search:
   searchScopeLocal: "ローカル"
   searchScopeUser: "ユーザー指定"
 _watermarkEditor:
+  driveFileTypeWarn: "このファイルは対応しとらへん"
   opacity: "不透明度"
   scale: "大きさ"
   text: "テキスト"