Rename a page

1. Navigate to the page you wish to rename.
2. Select Architecture from the SAM toolbar.
3. Click Edit Page Info.
4. Modify the content in the Navigation Label and Page Title fields.

Note: If your page is already on the live site, you will need to do a full site publish. There could be other links to your page, and by publishing the whole site it will update the path on all those links. Also if you are renaming a page that has been indexed by Google, you may want to have us create a 301 redirect for you. That way, you preserve that page's ranking in the search engines. This would be considered a billable web maintenance task.

Here's some more information on why Google recommends you create a 301 redirect:
https://support.google.com/webmasters/answer/93633?hl=en