Step 1: Access the Gallery Designer
Go the gallery that you want to change the cover headline for.
Click on the Gallery Cover Thumbnail located in the upper left corner. The Designer Menu will load.
In the Designer Menu, click on Cover Text & Images.
Step 2: Change Your Cover Page Headline Title
From there, scroll down until you see the Headline section and change your title in the text box.
After making your changes, click the Save Button in the menu header.