diff --git a/locales/en-US.yml b/locales/en-US.yml
index bb7c8f994c..1718d6711a 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -327,6 +327,7 @@ dark: "Dark"
 lightThemes: "Light themes"
 darkThemes: "Dark themes"
 syncDeviceDarkMode: "Sync Dark Mode with your device settings"
+switchDarkModeManuallyWhenSyncEnabledConfirm: "\"{x}\" is turned on, Would you like to turn off synchronization and switch modes manually?"
 drive: "Drive"
 fileName: "Filename"
 selectFile: "Select a file"