After you find an ancestor with temple work that is needing to be done, you should do the following steps.....

Cleaning Up & Prepping My Ancestor For The Temple
Go to an ancestor’s detail page and then:

1. Check for possible duplicates
2. Standardize (date & places & entering names correctly)
3. Attach sources (opt. you also can choose to organize and edit sources)
4. Correct vital and family information (from the sources you find)
5. Check for possible duplicates again
6. Reserve temple work if still available