If you have not already filed, then you can correct your direct deposit information before you e-file by revisiting the How Do You Want Your Federal Refund? screen in the File section.
Follow these steps:
1. Sign into your account and open your return
2. Select File on the top right (see attached select file)
3. Select revisit next to Your Refund Info (see attached revisit)
You should then be taken straight to the area to change your bank information.