Navigate to Apps > CoAttend > Settings > Calendar. On this page you can customize the look of your calendar page.
On this section you can edit the Title and Description text of you calendar page. The description will appear below the title. Note that you can switch the language from the the top-right corner.
CoAttend offers three separate views for your calendar page (Month, Week and Grid view). Check the active views and your customers will be able to switch between.
Check the filters that you wish to enable for your calendar. In addition, you can modify filter's text per language.