R1:6bfaf31c0a92

Spelling fix

Summary: I can't believe I've been staring at this page for so long without noticing this typo

Test Plan: doitlive

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D17791