Wrong age on credit card?

Ok I apply for a credit card when i was 17 and I did this because i wanted to get good credit by the time i was 18 so i was i was bron a year before i really did turn 18 but I pay it on time always and always in full and now when I look up my credit report it says in bron in 1989 not 1990 what should i do because its not like im opening them all up and maxing them out and not payign for them i am thankss.