Click on Spouse/Partner and enter the new partner just as you did for the original spouse.
Click Save.
Reopen the page in edit mode and, in the boxes provided at the bottom of the page, you can select 1 to identify the original spouse and 2 to identify the new entry.
Click Save
Hope this helps you
Surely it can't be so big a problem that you have toget it wrong twice.
Edward Brooke
TP had cocked up again.
But thanks for persisting!