How do I use onMouseIn to create a list when a link is hovered

So basically I want a paragraph to appear when a link is hovered over. Can’t seem to figure out how to do that. I assume onMouseIn would be the best way but I am unsure.

How to use onMouseIn ?

		//here ---> do something when Mouse is hovered over the element

Thank for the response. My issue is that when I use onMousein the text remains on the screen. Is there a way to have the element displayed only as long as the mouse is hovered over the target?

I tried also attatching an onMouseOut (hide) but it doesn’t always catch the scroll away.