Please explain to me what I'm doing wrong (Newbie)

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

  **Your code so far**
<body>
<script>
  // Add your code below this line
  const h1 = d3.select("body");
  h1.append("h1");
  h1.text("Learning D3");



  // Add your code above this line
</script>
</body>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Challenge: Add Document Elements with D3

Link to the challenge:

I would look at the example in the instructions again and try to follow that model more closely.