Fix a typo
Fix a typo

Summary: Minor styling fix.

Test Plan: N/A

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10478

eSpark/arcanist,coursera/arcanist,zhihu/arcanist,jra3/arcanist,folsom-labs/arcanist,dguo-coursera/arcanist,fivestars/arcanist,uber/arcanist,alexmv/arcanist,KieranHayes/arcanist,jra3/arcanist,Symplicity/arcanist,Symplicity/arcanist,wharris/arcanist,memsql/arcanist,Khan/arcanist,wxstars/arcanist,zhihu/arcanist,PageUpPeopleOrg/arcanist-patches,phacility/arcanist,kevinseelbach/arcanist,Khan/arcanist,haskell-infra/arcanist,wikimedia/phabricator-arcanist,Symplicity/arcanist,chundongwang/arcanist,wxstars/arcanist,sneakpeeq/arcanist,haskell-infra/arcanist,wikimedia/phabricator-arcanist,Symplicity/arcanist,hach-que/arcanist,folsom-labs/arcanist,wxstars/arcanist,PageUpPeopleOrg/arcanist-patches,r4nt/arcanist,aik099/arcanist,calblueprint/arcanist,kevinseelbach/arcanist,uber/arcanist,dguo-coursera/arcanist,memsql/arcanist,PageUpPeopleOrg/arcanist-patches,calblueprint/arcanist,KieranHayes/arcanist,eSpark/arcanist,codelabs-ch/arcanist,dguo-coursera/arcanist,wxstars/arcanist,Khan/arcanist,codelabs-ch/arcanist,wikimedia/phabricator-arcanist,calblueprint/arcanist,sneakpeeq/arcanist,sneakpeeq/arcanist,codelabs-ch/arcanist,alexmv/arcanist,phacility/arcanist,eSpark/arcanist,fivestars/arcanist,chundongwang/arcanist,jra3/arcanist,dguo-coursera/arcanist,codelabs-ch/arcanist,kevinseelbach/arcanist,kevinseelbach/arcanist,PageUpPeopleOrg/arcanist-patches,alexmv/arcanist,folsom-labs/arcanist,phacility/arcanist,fivestars/arcanist,KieranHayes/arcanist,fivestars/arcanist,coursera/arcanist,memsql/arcanist,chundongwang/arcanist,haskell-infra/arcanist,uber/arcanist,KieranHayes/arcanist,calblueprint/arcanist,eSpark/arcanist,zhihu/arcanist,wharris/arcanist,uber/arcanist,hach-que/arcanist,folsom-labs/arcanist,wharris/arcanist,haskell-infra/arcanist,memsql/arcanist,hach-que/arcanist,wikimedia/phabricator-arcanist,r4nt/arcanist,r4nt/arcanist,jra3/arcanist,coursera/arcanist,phacility/arcanist,wharris/arcanist,phacility/arcanist,aik099/arcanist,alexmv/arcanist,aik099/arcanist,zhihu/arcanist,r4nt/arcanist,hach-que/arcanist,chundongwang/arcanist,sneakpeeq/arcanist,coursera/arcanist,Khan/arcanist,codelabs-ch/arcanist,aik099/arcanist