Learn CSS Colors by Building a Set of Colored Markers - Step 16

Tell us what’s happening:
Describe your issue in detail here.
not sure what im doing wrong, it is asking me to add class one to the first marker, cant seem to find what im doing wrong here

  **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>Colored Markers</title>
  <link rel="stylesheet" href="styles.css">
</head>
<body>
  <h1>CSS Color Markers</h1>
  <div class="container">
    <div class="markerclass1 ">
    <div class="marker"></div>
    <div class="marker"></div>
  </div>
</body>
</html>
/* file: styles.css */
h1 {
text-align: center;
}

.marker {
width: 200px;
height: 25px;
background-color: red;
margin: 10px auto;
}

  **Your browser information:**

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Learn CSS Colors by Building a Set of Colored Markers - Step 16

Link to the challenge:

You have to name the first div class as two separate classes. so it goes like
class=" example one " Like this.