Documentation/tuning: cleanup paragraph on max election
Documentation/tuning: cleanup paragraph on max election

- Use one sentence per line for easier diffing
- Walkthrough the thought process and cleanup the grammar
- Move below the other sections

Original author: @philips

cockroachdb/etcd,swingbach/etcd,jonboulle/etcd,achanda/etcd,improbable-io/etcd,achanda/etcd,asim/etcd,gae123/etcd,cockroachdb/etcd,li-ang/etcd,etcd-io/etcd,beni55/etcd,purpleidea/etcd,westhood/etcd,cchamplin/etcd,mqliang/etcd,beni55/etcd,a-robinson/etcd,tguangch/etcd,zaphod-concur/etcd,gyuho/etcd,whuwxl/etcd,combk8s/etcd,ravigadde/etcd,StorReduce/etcd,ajityagaty/etcd,hroyrh/etcd,Winslett/etcd,dnaeon/etcd,oscarrr110/etcd,akauppi/etcd,tamird/etcd,YuleiXiao/etcd,bdarnell/etcd,yichengq/etcd,wantonsolutions/dinv-etcd,li-ang/etcd,rchicoli/etcd,msanterre/etcd,glevand/coreos--etcd,insequent/etcd,sofuture/etcd,shawnps/etcd,etcd-io/etcd,fgbreel/etcd,fgbreel/etcd,hongbinz/etcd,ajityagaty/etcd,insequent/etcd,hongbinz/etcd,endocode/etcd,CrazyJvm/etcd,gouyang/etcd,mqliang/etcd,xiang90/etcd,dannysauer/etcd,qqsun8819/etcd,sebrandon1/etcd,westhood/etcd,lorneli/etcd,kkaneda/etcd,mickep76/etcd,xychu/etcd,HideoYamauchi/etcd,Eagle-X/etcd,ktateish/etcd,siddontang/etcd,yudai/etcd,akauppi/etcd,iamqizhao/etcd,whuwxl/etcd,mike-lerch/etcd,Winslett/etcd,glycerine/etcd,lorneli/etcd,YuleiXiao/etcd,nekto0n/etcd,Timer/etcd,xychu/etcd,luxas/etcd,dannysauer/etcd,fasaxc/etcd,StorReduce/etcd,jlamillan/etcd,coreos/etcd,pauldallen/etcd,TheHippo/etcd,jonboulle/etcd,OyTao/etcd_learning,vimalk78/etcd,sebrandon1/etcd,cchamplin/etcd,bluebreezecf/etcd,Eagle-X/etcd,heyitsanthony/etcd,rnaveiras/etcd,sofuture/etcd,mickep76/etcd,raoofm/etcd,visheshnp/etcd,giantswarm/etcd,fanminshi/etcd,heyitsanthony/etcd,giantswarm/etcd,glycerine/etcd,rchicoli/etcd,a-robinson/etcd,ktateish/etcd,sayden/etcd,joshix/etcd,fasaxc/etcd,CrazyJvm/etcd,wantonsolutions/dinv-etcd,Timer/etcd,hongchaodeng/etcd,jeremyeder/etcd,vimalk78/etcd,mkumatag/etcd,swingbach/etcd,TheHippo/etcd,mkumatag/etcd,siddontang/etcd,sayden/etcd,handsomesun/etcd,hroyrh/etcd,improbable-io/etcd,fanminshi/etcd,coreos/etcd,HideoYamauchi/etcd,purpleidea/etcd,iamqizhao/etcd,sinsharat/etcd,luxas/etcd,mike-lerch/etcd,sinsharat/etcd,hongchaodeng/etcd,handsomesun/etcd,chipironcin/etcd,asim/etcd,wowsoso/etcd,msanterre/etcd,plasticbox/etcd,nekto0n/etcd,zaphod-concur/etcd,bluebreezecf/etcd,endocode/etcd,combk8s/etcd,armstrongli/etcd,raoofm/etcd,etcd-io/etcd,bdarnell/etcd,qqsun8819/etcd,tamird/etcd,gae123/etcd,pauldallen/etcd,dnaeon/etcd,rnaveiras/etcd,gouyang/etcd,yichengq/etcd,yudai/etcd,shawnps/etcd,mkumatag/etcd,chipironcin/etcd,gyuho/etcd,joshix/etcd,OyTao/etcd_learning,fasaxc/etcd,jlamillan/etcd,oscarrr110/etcd,jchauncey/etcd,lumjjb/etcd,jeremyeder/etcd,armstrongli/etcd,kkaneda/etcd,wowsoso/etcd,visheshnp/etcd,mqliang/etcd,xiang90/etcd,ajityagaty/etcd,linuxcer/etcd,ravigadde/etcd,tguangch/etcd,jchauncey/etcd,lumjjb/etcd,glevand/coreos--etcd,plasticbox/etcd,rnaveiras/etcd,wantonsolutions/dinv-etcd,linuxcer/etcd