Update PaginationContainer.md
Update PaginationContainer.md

Summary:
Fix code typos
Closes https://github.com/facebook/relay/pull/1623

Differential Revision: D4906117

Pulled By: kassens

fbshipit-source-id: 244e378277f82ef5c2638bcdd16c51f065eb5e62

josephsavona/relay,yungsters/relay,atxwebs/relay,josephsavona/relay,atxwebs/relay,benjaminogles/relay,iamchenxin/relay,voideanvalue/relay,rosskevin/relay,benjaminogles/relay,facebook/relay,wincent/relay,cpojer/relay,xuorig/relay,kassens/relay,xuorig/relay,iamchenxin/relay,kassens/relay,cpojer/relay,freiksenet/relay,zpao/relay,kassens/relay,wincent/relay,cpojer/relay,facebook/relay,wincent/relay,cpojer/relay,freiksenet/relay,facebook/relay,dbslone/relay,rosskevin/relay,voideanvalue/relay,voideanvalue/relay,josephsavona/relay,iamchenxin/relay,facebook/relay,apalm/relay,kassens/relay,yungsters/relay,facebook/relay,chentsulin/relay,freiksenet/relay,apalm/relay,yungsters/relay,wincent/relay,chentsulin/relay,wincent/relay,voideanvalue/relay,chirag04/relay,apalm/relay,atxwebs/relay,zpao/relay,xuorig/relay,chirag04/relay,dbslone/relay,xuorig/relay,facebook/relay,xuorig/relay,voideanvalue/relay,chentsulin/relay,wincent/relay,benjaminogles/relay,xuorig/relay,chirag04/relay,kassens/relay,zpao/relay,atxwebs/relay,kassens/relay,iamchenxin/relay,voideanvalue/relay