Modify edit permissions for home page field


I am trying to allow a specific user to modify the home page field or our artists but her “edit” option to edit home page is checked and greyed out and can’t seem to find the place where I can just modify this … where is the setting to edit permissions on the home page field ?

PS: you should think of having a search engine for settings as I keep navigating way too long to find really basic things :slight_smile: