Unknown Error

#1 

<!DOCTYPE html>
<html>
	<head>
		<title>Result</title>
		<link type="text/css" rel="stylesheet" href="stylesheet.css" />
	</head>
	<body>
	    <h1>Header<h1/>
	        <p>Paragraph<p/>
	</body>
</html>
STYLESHEET
h1 {
    font-family:Verdana;
    color:#576D94;
}
p{
    font-size:18px;
    color:#4A4943;
}

When I try to move on it is saying that i don't have any writing between my <h1><h1/> tags and it won't let me move on. What should I do?
#2

the slash is at the wrong place in the closing tag. the slash should be before h1:

</h1>

same with the paragraph