R1:bdda61184b73

Fixing typo unautorized -> unauthorized.

Summary: Fixing small typo unautorized -> unauthorized.

Test Plan: N/A

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: chad, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11029