tutorials

will look something like this:

go to this site: http://freetexthost.com/wef6aoqd6y

and copy all the codes. after copying, paste the codes in your description

EDITING:

blue mark: changing the width and height of the scroll box

red mark: thickness and color of the border

black mark: background color of the scroll box

green mark: where you put the text you want to put inside your scroll box

hope this helps!