Fix a typo ish.
Fix a typo ish.

Summary:

Test Plan:

Reviewers:

CC:

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