Clarify example for direct connection to mysqld.
Clarify example for direct connection to mysqld.

applift/vitess,cloudbearings/vitess,ptomasroos/vitess,davygeek/vitess,enisoc/vitess,mahak/vitess,vitessio/vitess,tirsen/vitess,dumbunny/vitess,HubSpot/vitess,nurblieh/vitess,sougou/vitess,aaijazi/vitess,kmiku7/vitess-annotated,atyenoria/vitess,netroby/vitess,enisoc/vitess,vitessio/vitess,aaijazi/vitess,HubSpot/vitess,mahak/vitess,tinyspeck/vitess,mlc0202/vitess,anusornc/vitess,applift/vitess,applift/vitess,kuipertan/vitess,kmiku7/vitess-annotated,michael-berlin/vitess,pivanof/vitess,xgwubin/vitess,ptomasroos/vitess,AndyDiamondstein/vitess,davygeek/vitess,aaijazi/vitess,cloudbearings/vitess,cloudbearings/vitess,mattharden/vitess,michael-berlin/vitess,mattharden/vitess,alainjobart/vitess,cgvarela/vitess,guokeno0/vitess,cloudbearings/vitess,sougou/vitess,kuipertan/vitess,yaoshengzhe/vitess,michael-berlin/vitess,yaoshengzhe/vitess,guokeno0/vitess,pivanof/vitess,SDHM/vitess,skyportsystems/vitess,kuipertan/vitess,tjyang/vitess,xgwubin/vitess,alainjobart/vitess,kmiku7/vitess-annotated,kmiku7/vitess-annotated,xgwubin/vitess,netroby/vitess,aaijazi/vitess,pivanof/vitess,vitessio/vitess,xgwubin/vitess,tirsen/vitess,kmiku7/vitess-annotated,mattharden/vitess,mapbased/vitess,ptomasroos/vitess,anusornc/vitess,mattharden/vitess,erzel/vitess,ptomasroos/vitess,tirsen/vitess,dcadevil/vitess,netroby/vitess,vitessio/vitess,erzel/vitess,tinyspeck/vitess,xgwubin/vitess,dcadevil/vitess,sougou/vitess,mattharden/vitess,yaoshengzhe/vitess,vitessio/vitess,fengshao0907/vitess,guokeno0/vitess,rnavarro/vitess,aaijazi/vitess,aaijazi/vitess,cgvarela/vitess,rnavarro/vitess,dcadevil/vitess,skyportsystems/vitess,cgvarela/vitess,alainjobart/vitess,tinyspeck/vitess,alainjobart/vitess,davygeek/vitess,AndyDiamondstein/vitess,cloudbearings/vitess,applift/vitess,tirsen/vitess,fengshao0907/vitess,pivanof/vitess,kmiku7/vitess-annotated,mahak/vitess,enisoc/vitess,HubSpot/vitess,alainjobart/vitess,xgwubin/vitess,nurblieh/vitess,mapbased/vitess,michael-berlin/vitess,tinyspeck/vitess,mahak/vitess,enisoc/vitess,guokeno0/vitess,dumbunny/vitess,kmiku7/vitess-annotated,AndyDiamondstein/vitess,rnavarro/vitess,dumbunny/vitess,davygeek/vitess,cgvarela/vitess,fengshao0907/vitess,michael-berlin/vitess,AndyDiamondstein/vitess,netroby/vitess,enisoc/vitess,michael-berlin/vitess,enisoc/vitess,guokeno0/vitess,rnavarro/vitess,applift/vitess,pivanof/vitess,nurblieh/vitess,yangzhongj/vitess,mattharden/vitess,davygeek/vitess,atyenoria/vitess,dumbunny/vitess,davygeek/vitess,guokeno0/vitess,fengshao0907/vitess,erzel/vitess,enisoc/vitess,yangzhongj/vitess,mlc0202/vitess,mattharden/vitess,anusornc/vitess,mlc0202/vitess,erzel/vitess,mlc0202/vitess,erzel/vitess,erzel/vitess,skyportsystems/vitess,ptomasroos/vitess,mapbased/vitess,skyportsystems/vitess,guokeno0/vitess,yangzhongj/vitess,tjyang/vitess,anusornc/vitess,michael-berlin/vitess,anusornc/vitess,cloudbearings/vitess,anusornc/vitess,nurblieh/vitess,cgvarela/vitess,applift/vitess,rnavarro/vitess,vitessio/vitess,sougou/vitess,erzel/vitess,atyenoria/vitess,dumbunny/vitess,alainjobart/vitess,tjyang/vitess,mapbased/vitess,erzel/vitess,tinyspeck/vitess,anusornc/vitess,alainjobart/vitess,tjyang/vitess,applift/vitess,anusornc/vitess,cgvarela/vitess,kmiku7/vitess-annotated,AndyDiamondstein/vitess,pivanof/vitess,fengshao0907/vitess,AndyDiamondstein/vitess,mapbased/vitess,nurblieh/vitess,yangzhongj/vitess,yaoshengzhe/vitess,SDHM/vitess,xgwubin/vitess,netroby/vitess,kmiku7/vitess-annotated,mapbased/vitess,vitessio/vitess,cloudbearings/vitess,tirsen/vitess,guokeno0/vitess,mlc0202/vitess,mattharden/vitess,mattharden/vitess,mahak/vitess,cloudbearings/vitess,mattharden/vitess,xgwubin/vitess,cloudbearings/vitess,ptomasroos/vitess,netroby/vitess,fengshao0907/vitess,atyenoria/vitess,mahak/vitess,cgvarela/vitess,fengshao0907/vitess,yangzhongj/vitess,erzel/vitess,mlc0202/vitess,HubSpot/vitess,kuipertan/vitess,alainjobart/vitess,michael-berlin/vitess,pivanof/vitess,SDHM/vitess,mlc0202/vitess,tirsen/vitess,dcadevil/vitess,tjyang/vitess,cgvarela/vitess,aaijazi/vitess,mapbased/vitess,applift/vitess,rnavarro/vitess,yangzhongj/vitess,ptomasroos/vitess,netroby/vitess,vitessio/vitess,tjyang/vitess,michael-berlin/vitess,dumbunny/vitess,sougou/vitess,nurblieh/vitess,tirsen/vitess,applift/vitess,HubSpot/vitess,cgvarela/vitess,mahak/vitess,rnavarro/vitess,SDHM/vitess,applift/vitess,rnavarro/vitess,tirsen/vitess,skyportsystems/vitess,kuipertan/vitess,tjyang/vitess,tjyang/vitess,skyportsystems/vitess,dcadevil/vitess,SDHM/vitess,yangzhongj/vitess,kuipertan/vitess,tinyspeck/vitess,anusornc/vitess,ptomasroos/vitess,aaijazi/vitess,kuipertan/vitess,yaoshengzhe/vitess,tjyang/vitess,nurblieh/vitess,mapbased/vitess,aaijazi/vitess,atyenoria/vitess,kuipertan/vitess,dcadevil/vitess,kuipertan/vitess,sougou/vitess,mapbased/vitess,nurblieh/vitess,pivanof/vitess,sougou/vitess,pivanof/vitess,yangzhongj/vitess,atyenoria/vitess,yaoshengzhe/vitess,AndyDiamondstein/vitess,sougou/vitess,tinyspeck/vitess,yangzhongj/vitess,atyenoria/vitess,atyenoria/vitess,HubSpot/vitess,davygeek/vitess,skyportsystems/vitess,AndyDiamondstein/vitess,skyportsystems/vitess,mlc0202/vitess,atyenoria/vitess,rnavarro/vitess,netroby/vitess,dumbunny/vitess,yaoshengzhe/vitess,dumbunny/vitess,dumbunny/vitess,xgwubin/vitess,dumbunny/vitess,mapbased/vitess,skyportsystems/vitess,SDHM/vitess,netroby/vitess,fengshao0907/vitess,dcadevil/vitess,yaoshengzhe/vitess,mahak/vitess,ptomasroos/vitess,nurblieh/vitess,SDHM/vitess,AndyDiamondstein/vitess,SDHM/vitess,fengshao0907/vitess,yaoshengzhe/vitess,HubSpot/vitess,erzel/vitess,HubSpot/vitess,tirsen/vitess,guokeno0/vitess,SDHM/vitess,mlc0202/vitess