What does Exodus 8:4 mean?

Pharaoh called for Moses and Aaron and said, Ask the Lord to take away the frogs from me and my people, and I’ll let your people go to offer sacrifices to the Lord. Exodus 8:4 - Modern Text Bible

(Pharaoh finally cracks and begs Moses and Aaron to pray for relief, promising to let the Israelites go if the frogs are removed.)