American Standard Version (ASV):
And Jehovah will smite Egypt, smiting and healing; and they shall return unto Jehovah, and he will be entreated of them, and will heal them.
King James Version (KJV):
And the LORD shall smite Egypt: he shall smite and heal [it]: and they shall return [even] to the LORD, and he shall be intreated of them, and shall heal them.