world oldest arrowhead (discovery)

in may on the east coast of south Africa there was a discovery of an old arrowhead was found. about 60,000 years ago when the stone age people was here and throwing spears at there prey.there was culture that would use arrows 20,000 years before the bow actually caught any thing. there was a slit differences between the late stone head and the early stone head . one of the early arrowheads have a much smaller stone so it would be easy to shoot.