function on_xml_read()
    RegisterScriptCallback("on_xml_read", function(xml_file_name, xml_obj)
        local xml_to_change = [[gameplay\info_mlr.xml]]
        if xml_file_name == xml_to_change then
            local greh_land_info = [[
              	<string id="st_katacomb_smart_terrain_name_land">
		<text>Deserted Hospital</text>
		</string>
            ]]
            xml_obj:insertFromXMLString(greh_land_info)
        end
    end)
end