1.   Highlight the Chapter 1 placeholder.

2.   Change the text to "Style Guide" and then press Enter. Notice that the next paragraph has been formatted as heading 2 and has a line above it.

3.   Type "Introduction" and press Enter. You should now have a heading 1 and a heading 2, followed by a third empty paragraph formatted as body text. You can delete the Topic 1 heading and the body text below it.