diff --git a/locales/ko/browser/browser/preferences/zen-preferences.ftl b/locales/ko/browser/browser/preferences/zen-preferences.ftl
index cc9bec3c5..e78d9c93d 100644
--- a/locales/ko/browser/browser/preferences/zen-preferences.ftl
+++ b/locales/ko/browser/browser/preferences/zen-preferences.ftl
@@ -314,3 +314,4 @@ zen-devtools-toggle-storage-shortcut = 저장소 탭 전환
 zen-devtools-toggle-dom-shortcut = DOM 탭 전환
 zen-devtools-toggle-accessibility-shortcut = 접근성 탭 전환
 zen-close-all-unpinned-tabs-shortcut = 모든 고정되지 않은 탭 닫기
+zen-new-unsynced-window-shortcut = 새 비동기화 창