Issue with HTML Lesson

So, I just came here from a known coding platform named Scratch and I am currently on the HTML/HTML5 lesson and I am stuck on the closing tag. I have everything else down so far, but I don’t understand. Does have a different closing tag then ?

If you have a question about a specific challenge as it relates to your written code for that challenge, just click the Ask for Help button located on the challenge. It will create a new topic with all code you have written and include a link to the challenge also. You will still be able to ask any questions in the post before submitting it to the forum.

Thank you.