{ "Heading": "Tooltip for the heading dropdown.", "Choose heading": "Default label for the heading dropdown.", "Heading 1": "Dropdown option label for the heading level 1 format, also used as heading 1 button tooltip.", "Heading 2": "Dropdown option label for the heading level 2 format, also used as heading 1 button tooltip.", "Heading 3": "Dropdown option label for the heading level 3 format, also used as heading 1 button tooltip." }