Learn HTML Forms by Building a Registration Form - Step 17

Tell us what’s happening:
Hey there! I’ve been through pages of forums on Step 17 and I’ve even gone to youtube for help on this step. It appears that MY Step 17 is different than others Step 17. Any help?
otherwise, My error reads:

Hint

The first label element should have a for attribute with a value of first-name.

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 id="first-name" /></label>
        <label>Enter Your Last Name: <input id="last-name" /></label>
        <label>Enter Your Email: <input id="email" /></label>
        <label>Create a New Password: <input id="new-password" /></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; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42

Challenge: Learn HTML Forms by Building a Registration Form - Step 17

Link to the challenge:

this is a hint, not an error.
What do you think this hint is about? (how do you interpret it?)