<!DOCTYPE html>\n<html>\n<h1>Heading</h1>\n<h2>Subheading</h2>\n<body>\n\nSome text\n\n</body>\n</html>
Modify the HTML document below by replacing the two comments with an appropriate heading tag\n\n<!DOCTYPE html>\n<html>\n<!-- Heading -->\n<!-- Subheading -->\n<body>\n\nSome text\n\n</body>\n</html>?