Fix typos in README
Fix typos in README

FlyoverWorks/storytime,harrykiselev/storytime,hoanghiep90/storytime,hoanghiep90/storytime,braindeaf/storytime,bidah/storytime,CultivateLabs/storytime,matiasgarcia/storytime,bidah/storytime,harrykiselev/storytime,FlyoverWorks/storytime,bidah/storytime-manentail,bidah/storytime-manentail,hoanghiep90/storytime,braindeaf/storytime,bidah/storytime-manentail,harrykiselev/storytime,CultivateLabs/storytime,matiasgarcia/storytime,FlyoverWorks/storytime,bidah/storytime,matiasgarcia/storytime,braindeaf/storytime,CultivateLabs/storytime