diff --git a/zh-TW/browser/browser/preferences/zen-preferences.ftl b/zh-TW/browser/browser/preferences/zen-preferences.ftl
index c96c2ebb8..1ef273d04 100644
--- a/zh-TW/browser/browser/preferences/zen-preferences.ftl
+++ b/zh-TW/browser/browser/preferences/zen-preferences.ftl
@@ -19,6 +19,8 @@ zen-look-and-feel-compact-view-enabled =
     .label = 啟用 { -brand-short-name } 的緊湊模式
 zen-look-and-feel-compact-view-top-toolbar = 
     .label = 在緊湊模式中也隱藏頂部的工具欄
+zen-look-and-feel-compact-toolbar-flash-popup = 
+    .label = Briefly make the toolbar popup when switching or opening new tabs in compact mode
 zen-look-and-feel-buttons-header = 按鈕樣式
 zen-look-and-feel-buttons-description = 選擇你想要看到的按鈕樣式
 zen-look-and-feel-pilled-buttons =