Have a look at the code below. There's two things to notice:

1. There's funny words enclosed in less-than and greater-than signs. These are called HTML "tags", and are special codes that mean specific things to a browser.
   (Browsers are things like Safari, Firefox, Chrome and Internet Explorer).
2. Although my code is laid out nicely, in the preview panel the words just spill across the screen.

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Try making some changes and see what happens to the preview.

It's really important for you to try making changes - it's central to S2JS, and the tutorial provides a safe "sandbox" for you to try things, and break things without any damage.

When you've tried enough, click Next.