There is no right or wrong thing with design. You can use your imagination. However, if you are a newbie at this, you may want to keep things simple. Or you may look at other brochures of the same product and see how theirs are presented so that you will get the idea.
Or you can experiment with different fonts, colors, and graphics Choose your brochure template. Just remember that when picking the design, the purpose of your brochure should be met.