PHOENIX-4509 Fix performance.py usage text (Artem Ervits)
PHOENIX-4509 Fix performance.py usage text (Artem Ervits)

Signed-off-by: Josh Elser <08e628f9d7ca1b20fe79ef383bd8c50d12051375@apache.org>

jfernandosf/phoenix,jfernandosf/phoenix,jfernandosf/phoenix,jfernandosf/phoenix,jfernandosf/phoenix