It's easy to rename a page. There are two ways you can change the page name:
1. In the upper horizontal menu, click on Pages:
2. Hover over the page which name you want to change and click on the "gear" Settings icon to trigger the Page settings menu.
3. Enter the new page title. For the best results, keep the title under 55 characters.
4. Click Submit and then Publish to make changes live.