Not broken just cracked

My Blueberry syrup recipe

1 First cull through blueberry
2 put washed blueberries in a pot with two cups of sugar or splenda
3 add a half cup of water
4 bring berries to a boil as you do so mash berries
5 add two tables spoons of cornstarch to one 1/4 cup of cold water wisk together then add slowly to the berries as you wisk
6 let mixture boil for one minute as you wisk
7 strain the mixture over a clean pot
8 store in heated canning jars