diff --git a/samples/react-calendar/src/webparts/calendar/loc/en-us.js b/samples/react-calendar/src/webparts/calendar/loc/en-us.js
index 2d048f44e..55840f75c 100644
--- a/samples/react-calendar/src/webparts/calendar/loc/en-us.js
+++ b/samples/react-calendar/src/webparts/calendar/loc/en-us.js
@@ -27,7 +27,8 @@ define([], function () {
     EnDateValidationMessage: "start date is greater than end date",
     SartDateValidationMessage: "start date is greater than end date",
     eventSelectDatesLabel: "Show only the events within the following dates",
-    ConfirmeDeleteMessage: "Confirm delete event ? If the event is a recurrence event all entries will be deleted ",
+    ConfirmeDeleteAllRecurrrencesMessage: "Confirm delete event ? If the event is a recurrence event all entries will be deleted ",
+    ConfirmeDeleteOneRecurrenceMessage: "Confirm delete event ? Only this event will be deleted, All other recurrences will not be deleted ",
     DialogConfirmDeleteTitle: "Delete Event",
     SpinnerDeletingLabel: "Deleting...",
     DialogCloseButtonLabel: "Cancel",