You can rename pages in your group.
In Group Navigation, click the Pages link.
Pages is designed to open to the front page for group, if there is a front page selected. To select a page from the Pages Index, click the View All Pages button.
Click the name of the page you wish to edit.
Click the Edit button.
Delete the previous title, and rename the page title.
To save changes, click the Save button.
View the new page name at the top of the page.