double the reciepe ?

if I double the recipe for my no kneed ww and rye do I also double the starter or is the original  enough

I doubled the amount of rye to get a more rye flavor and decreased the ww by equal an amount   but it was very dry so I needed to increase the water to get the dough to feel right , It is sitting for the next 2 hours then I will add salt and starter , for an 18 hour raise then fold and shape, 2 hours second proof and into the hot dutch oven