diff --git a/samples/react-calendar/src/webparts/calendar/loc/mystrings.d.ts b/samples/react-calendar/src/webparts/calendar/loc/mystrings.d.ts
index 88d4470f9..ed18e9ea1 100644
--- a/samples/react-calendar/src/webparts/calendar/loc/mystrings.d.ts
+++ b/samples/react-calendar/src/webparts/calendar/loc/mystrings.d.ts
@@ -26,7 +26,8 @@ declare interface ICalendarWebPartStrings {
   EnDateValidationMessage: string;
   SartDateValidationMessage: string;
   eventSelectDatesLabel: string;
-  ConfirmeDeleteMessage: string;
+  ConfirmeDeleteAllRecurrrencesMessage: string;
+  ConfirmeDeleteOneRecurrenceMessage: string;
   DialogConfirmDeleteTitle: string;
   SpinnerDeletingLabel: string;
   DialogCloseButtonLabel: string;