In order to change the titles being submitted after having placed an order, you would need to make the changes as required in your account and inform us of the same immediately. To have your titles changed, login to your account an go to the 'Edit a Site' section
To change official title:
Click on 'Edit Official Details'
Make the necessary changes
Click on 'Save Official Details'
To delete titles and descriptions:
Click on 'Remove Titles & Descriptions'
Select the titles you want to delete
Click on the 'Delete Selected Items' button
To add more titles
Click on 'Add New Titles and Descriptions'
Choose the number of new titles you'd like to add
Click on 'Add Titles & Descriptions' to save changes