Tweak client API readme.
Tweak client API readme.

feld/stronglink,Lacra17/stronglink,nkatsaros/stronglink,shaunstanislaus/stronglink,yamingd/stronglink,btrask/stronglink,yamingd/stronglink,guiquanz/stronglink,guiquanz/stronglink,nkatsaros/stronglink,feld/stronglink,Ryezhang/stronglink,nkatsaros/stronglink,rmoorman/stronglink,yamingd/stronglink,iOSCowboy/stronglink,btrask/stronglink,Lacra17/stronglink,Ryezhang/stronglink,shaunstanislaus/stronglink,iOSCowboy/stronglink,iOSCowboy/stronglink,rmoorman/stronglink,shaunstanislaus/stronglink,guiquanz/stronglink,Ryezhang/stronglink,rmoorman/stronglink,Lacra17/stronglink,btrask/stronglink,btrask/stronglink,feld/stronglink