It depends.
If you have already filed your tax return, then no, you can't change what is listed on your return by typing it as the return has already been filed.
If you need to update your information for your stimulus payment, please use the link below for Filers to update your contact information with the IRS.
IRS Stimulus payment registration portal
The payment of the stimulus funds can also be tracked at the following website:
Check status of economic payment