Change “Read More” Button

I created a page with the information to be seen on the home page slider, but I want the “Read More” button to link to a different page. Is this possible, and how do I do it? To me, the simplest option would be to go into the HTML code and change the source URL to the page I want, but I can’t find where that code is.

The page I need help with: [log in to see the link]