Learn HTML Forms by Building a Registration Form - Step 16

“You should add the first input after the label text Enter Your First Name:, and include a space after the colon.”

What does it mean plz explain in detail
should I use label for or what?
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 action='https://register-demo.freecodecamp.org'>
    <fieldset>
      <label>Enter Your First Name: <input type="text">
      </label>
      <label>Enter Your Last Name:
      <input type="text">
      </label>
      <label>Enter Your Email:
      <input type="text">
      </label>
      <label>Create a New Password:
      <input type="text">
      </label>
    </fieldset>
    <fieldset></fieldset>
    <fieldset></fieldset>
  </form>
</body>
</html>
/* file: styles.css */
body {
width: 100%;
height: 100vh;
margin: 0;
background-color: #1b1b32;
color: #f5f6f7;
}

label {
display: block;
margin: 0.5rem 0;
}

  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.114 Safari/537.36 OPR/89.0.4447.64

Challenge: Learn HTML Forms by Building a Registration Form - Step 16

Link to the challenge: