You should add Account type (required) text to the legend element.
Esto es lo que me marca cuando quiero chequear mi código. No entiendo qué es lo que está mal.
Your code so far
<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Registration Form</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<h1>Registration Form</h1>
<p>Please fill out this form with the required information</p>
<form method="post" action='https://register-demo.freecodecamp.org'>
<fieldset>
<label for="first-name">Enter Your First Name: <input id="first-name" type="text" required /></label>
<label for="last-name">Enter Your Last Name: <input id="last-name" type="text" required /></label>
<label for="email">Enter Your Email: <input id="email" type="email" required /></label>
<label for="new-password">Create a New Password: <input id="new-password" type="password" pattern="[a-z0-5]{8,}" required /></label>
</fieldset>
<!-- User Editable Region -->
<fieldset>
<legend> Account type (required)
<label><input type="radio" name="account-type" checked /> Personal</label>
<label><input type="radio" name="account-type" /> Business</label>
</fieldset>
<!-- User Editable Region -->
<fieldset></fieldset>
<input type="submit" value="Submit" />
</form>
</body>
</html>