fix readme
fix readme

Change-Id: Iababeb5c6a9d5cf991fc5cdbe2f0583255711b37
Reviewed-on: https://gerrit.instructure.com/81778
Tested-by: Jenkins
Reviewed-by: Arun Allamsetty <9265c009aab3b8bbc91c4decd2db1a660c64ec70@instructure.com>
Product-Review: Addison Higham <71f8dc8b25f4bf0094b3aaf133261167b55a3b15@instructure.com>
QA-Review: Addison Higham <71f8dc8b25f4bf0094b3aaf133261167b55a3b15@instructure.com>

instructure/canvas-data-cli,instructure/canvas-data-cli