Simplify the following text for a Grade 5 native English-speaking person.
Original: The mouth of the Yarra River was later inspected in May and June 1835 by a party led by John Batman who recognized the potential of the Melbourne townsite for settlement .
Simplified: The mouth of the Yarra River was later explored in May and June 1835 by John Batman . He thought that the area now called Melbourne would be a good settlement site .