Bartik Home link to be uppercase
This is related to the Q Remove default “Home” link?. You can not alter that menu item. The only way to fix this is to disable the existing "Home" link, and create a new one instead according to your specifications.

To do this, follow these steps:


Go to admin/structure/menu/manage/main and disable the Home menu item
Add a new menu item at admin/structure/menu/manage/main/add and fill in the options like this:





Click Save and you're done