Learn CSS Grid by Building a Magazine - Step 4

Tell us what’s happening:
Describe your issue in detail here.

It’s telling me that my header should have a class hero which i have and its inside the .header element.

Your code so far

<!-- file: index.html -->
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Magazine</title>
    <link
      href="https://fonts.googleapis.com/css?family=Anton%7CBaskervville%7CRaleway&display=swap"
      rel="stylesheet"
    />
    <link
      rel="stylesheet"
      href="https://use.fontawesome.com/releases/v5.8.2/css/all.css"
    />
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <main>
      <section class="heading">
        <header clsss="hero">
          <img src="https://cdn.freecodecamp.org/platform/universal/fcc_meta_1920X1080-indigo.png" alt="freecodecamp logo" class="hero-img"/></header>
      </section>
    </main>
  </body>
</html>
/* file: styles.css */

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 OPR/91.0.4516.72 (Edition std-1)

Challenge: Learn CSS Grid by Building a Magazine - Step 4

Link to the challenge:

one of these things is not like the other?
first line you have the word ‘class’ spelled correctly
but second line ‘clsss’ ?