Exodus 8:12

So Moses and Aaron went out from Pharaoh , and Moses cried to the Lord about the frogs , as he had agreed with Pharaoh .

After Moses and Aaron left Pharaoh, Moses cried out to the Lord about the frogs he had brought on Pharaoh.

And Moses and Aaron went out from Pharaoh : and Moses cried unto the Lord because of the frogs which he had brought against Pharaoh.