SOLO PARENT

I am reading book with my 22months old little girl , she pinpoint mommy figure and says “Mommy Tek(my nickname)” and point the baby and says “mine(referring to herself” and then when it comes to daddy figure .... she look up at me and ask “ Daddy?” ... AT A VERY YOUNG AGE... i was very shocked😰 how will I tell her that there’s no daddy around ☹️