diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 16df56925..cfce659d6 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -345,4 +345,5 @@
     <string name="toast_rated_success">評価に成功しました</string>
     <string name="toast_page_unavailable">閲覧ページがありません</string>
     <string name="toast_double_press_to_exit">2回タップして終了</string>
+    <string name="pref_ui_no_promotional">宣伝アプリ</string>
 </resources>
\ No newline at end of file