match keys in doc code examples (#2469)
match keys in doc code examples (#2469)

Signed-off-by: Jeff VanOss <150980557adf3b301e96156c08d59cfe5f6f3318@bamfhealth.com>
Project-MONAI/MONAI,Project-MONAI/MONAI,Project-MONAI/MONAI,Project-MONAI/MONAI