Good-Cooking - Rosy Peach Upside-Down Cake

Ingredients

• 1 (29 ounce) can sliced peaches, drained
• 1 (3 ounce) package strawberry gelatin
• 1 (3 ounce) package peach gelatin
• 1 teaspoon cinnamon
• 1/3 cup butter or margarine
• 1 (18.25 ounce) box yellow cake mix
• 1 container Cool Whip for topping