Thank you for the clarification. I would recommend changing the instructions to include this info.

You just add the 1 tablespoon on milk to the dough ingredients. The egg, olive oil and 1 tablespoon of milk are the primary liquids in the dough. If you find that it’s too dry–some flour blends vary in how they work in recipes–just increase milk to 2 tablespoons. The other milk (1/2 cup) listed in the ingredients is used to dip the balls of dough in prior to dipping into the sesame seeds. I hope that helps.