Just simply modify the text or graphic to fit your needs.
If you want to change the font type of the site, you need to have a little bit knowledge of Style sheet. But it's easy to learn. You can go to the top of the page,in about the 8th line from top, you will see <style>. below it is "body", then you can replace the font name "arial" with the font type you want. The most font used in web sites are: "Times New Roman","Verdana","Comic Sans MS","Garamond".
Don't forget to save your work.