Evisa expiry date mistake

[Keith12]

Hi, i need your Help plz,
I got an email from Home Office to create Ukvi Account, i followed srep by step in creation of Ukvi, Now my question is?
1.After receiving email from HO, i create account for my wife , Do i have to create for my son as well,or wait ,,,,is that email is for both (wife and son)

2.Ithink i made a mistake while creating an Account, it ask for my wife expiry Date instead actually visa expiry date i gave BRP Expiry date which is 31.12 2024,, i realise after submitting . when checking know, Evisa status , i can see 31.12.2024.,Is their anyway i can correct mistake.