Fix minor typo #190
Fix minor typo #190


Reported-by: Rich Steenwyk <2c3430d1a4cc322ebd46c1f7c209c9e3a8e2594a@gmail.com>
Signed-off-by: Philippe Ombredanne <ca95c4a6a4931f366cbdaf5878c5016609417d37@nexb.com>
spdx/tools-python