After you've created an expense report, you can edit the report names/headers by editing your draft report.
This article shows you how to edit report names.
Step 1: After you've created an expense report, open the report by clicking Drafts on your Certify homepage.
Step 2: Choose the report.
Step 3: Click the pencil icon to change the report name/header.
Step 4: Enter a new Report Name and Description.
Step 5: Click the Save icon.