Missing "of"
Missing "of"

Summary:
missing `of`
Closes https://github.com/facebook/flow/pull/2637

Differential Revision: D4028846

Pulled By: mroch

fbshipit-source-id: b1255ab451eca6ea8034671d4b6c94a3e0ad07d5

jgrund/flow,JonathanUsername/flow,samwgoldman/flow,ylu1317/flow,gabro/flow,popham/flow,mroch/flow,facebook/flow,nmote/flow,JonathanUsername/flow,gabelevi/flow,gabelevi/flow,nmote/flow,mroch/flow,JonathanUsername/flow,AprilArcus/flow,gabro/flow,jgrund/flow,AprilArcus/flow,popham/flow,mroch/flow,MichaelDeBoey/flow,jamesgpearce/flow,TiddoLangerak/flow,gabelevi/flow,AgentME/flow,facebook/flow,fletcherw/flow,mroch/flow,nmote/flow,jamesgpearce/flow,jamesgpearce/flow,gabro/flow,jgrund/flow,samwgoldman/flow,ForbesLindesay/flow,MichaelDeBoey/flow,MichaelDeBoey/flow,gabelevi/flow,AprilArcus/flow,AgentME/flow,JonathanUsername/flow,ylu1317/flow,AprilArcus/flow,gabelevi/flow,AgentME/flow,AprilArcus/flow,fletcherw/flow,MichaelDeBoey/flow,mroch/flow,ForbesLindesay/flow,fletcherw/flow,jamesgpearce/flow,gabelevi/flow,samwgoldman/flow,claudiopro/flow,TiddoLangerak/flow,samwgoldman/flow,nmote/flow,nmote/flow,fletcherw/flow,nmote/flow,AgentME/flow,gabro/flow,mroch/flow,facebook/flow,nmote/flow,facebook/flow,jamesgpearce/flow,ylu1317/flow,AgentME/flow,ylu1317/flow,TiddoLangerak/flow,popham/flow,ForbesLindesay/flow,jgrund/flow,ForbesLindesay/flow,claudiopro/flow,JonathanUsername/flow,claudiopro/flow,MichaelDeBoey/flow,facebook/flow,gabro/flow,AprilArcus/flow,JonathanUsername/flow,claudiopro/flow,popham/flow,facebook/flow,fletcherw/flow,samwgoldman/flow,jamesgpearce/flow,popham/flow,samwgoldman/flow,gabro/flow,jgrund/flow,gabelevi/flow,popham/flow,ForbesLindesay/flow,samwgoldman/flow,mroch/flow,JonathanUsername/flow,jamesgpearce/flow,ForbesLindesay/flow,jgrund/flow,facebook/flow,ylu1317/flow,popham/flow,fletcherw/flow,TiddoLangerak/flow,claudiopro/flow,TiddoLangerak/flow