Modifying the language in the user profile settings changes the page's 'Update' button tooltip message

Step to reproduce

1. Install Confluence 6.0.1 and create a new page.
2. Navigate to Profile > Settings and click on 'Edit'.
3. Change the language to English (US) and click on 'Submit'.
4. Edit the page created in step #1 above.
5. Hover over the "Update" button.

Expected results

Actual results

As you can see, the tooltip message is changed from Update published page (⌘S) to Update published page (Type '⌘S').