[PR] [doc] Fix mixed up links
[PR] [doc] Fix mixed up links

Summary: Closes https://github.com/facebook/flow/pull/4221

Differential Revision: D5393620

Pulled By: gabelevi

fbshipit-source-id: fb993234fd2c1239f689f26f15087ea5af1ab4f8

jamesgpearce/flow,samwgoldman/flow,samwgoldman/flow,MichaelDeBoey/flow,mroch/flow,nmote/flow,popham/flow,popham/flow,popham/flow,AgentME/flow,popham/flow,TiddoLangerak/flow,samwgoldman/flow,popham/flow,MichaelDeBoey/flow,JonathanUsername/flow,AgentME/flow,jamesgpearce/flow,JonathanUsername/flow,TiddoLangerak/flow,gabelevi/flow,nmote/flow,samwgoldman/flow,mroch/flow,TiddoLangerak/flow,mroch/flow,facebook/flow,facebook/flow,AgentME/flow,ylu1317/flow,jamesgpearce/flow,JonathanUsername/flow,ylu1317/flow,gabelevi/flow,claudiopro/flow,nmote/flow,gabelevi/flow,TiddoLangerak/flow,JonathanUsername/flow,popham/flow,jamesgpearce/flow,gabelevi/flow,claudiopro/flow,popham/flow,samwgoldman/flow,ylu1317/flow,nmote/flow,claudiopro/flow,JonathanUsername/flow,MichaelDeBoey/flow,gabelevi/flow,mroch/flow,facebook/flow,facebook/flow,ylu1317/flow,TiddoLangerak/flow,AgentME/flow,gabelevi/flow,MichaelDeBoey/flow,facebook/flow,jamesgpearce/flow,facebook/flow,MichaelDeBoey/flow,ylu1317/flow,AgentME/flow,jamesgpearce/flow,JonathanUsername/flow,samwgoldman/flow,samwgoldman/flow,nmote/flow,nmote/flow,claudiopro/flow,mroch/flow,jamesgpearce/flow,facebook/flow,claudiopro/flow,JonathanUsername/flow,gabelevi/flow,mroch/flow,mroch/flow,nmote/flow