Manage Submission Content:

Add new website: Select the first empty title from Title list, fill in mandatory field, ie. Title, URL, Description and Email, other fields are optional, then click Add.
Correct existing website: Select the website Title from Title list, change information then click Correct.
Delete existing website: Select the website Title from Title list, then click Delete. If this website have submission record, it will pop you to confirm delete all related submission record.

Follow the tip and guideline beside the field will help your submission accepted by directory's editor.