The web page should display the following message, "This page is under construction. Please check back soon." Construct the HTML code to display the message.
<html>
<head>
    <title>Under Maintenance</title>
</head>
<body>
    <h1>This page is under construction. Please check back soon.</h1>
</body>
</html>
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
The web page should display the following message, "This page is under construction. Please check back soon." Construct the HTML code to display the message.

### Response:
<html>
<head>
    <title>Under Maintenance</title>
</head>
<body>
    <h1>This page is under construction. Please check back soon.</h1>
</body>
</html>