client config README small fixes
client config README small fixes

Tiny typo plus addition of URI RFC reference and formatting.
bjori/grpc,stanley-cheung/grpc,VcamX/grpc,stanley-cheung/grpc,perumaalgoog/grpc,nicolasnoble/grpc,yongni/grpc,muxi/grpc,yugui/grpc,podsvirov/grpc,daniel-j-born/grpc,rjshade/grpc,msiedlarek/grpc,leifurhauks/grpc,tengyifei/grpc,pszemus/grpc,firebase/grpc,carl-mastrangelo/grpc,fuchsia-mirror/third_party-grpc,dgquintas/grpc,carl-mastrangelo/grpc,dgquintas/grpc,donnadionne/grpc,w4-sjcho/grpc,arkmaxim/grpc,ksophocleous/grpc,stanley-cheung/grpc,kumaralokgithub/grpc,daniel-j-born/grpc,VcamX/grpc,infinit/grpc,stanley-cheung/grpc,donnadionne/grpc,yang-g/grpc,ncteisen/grpc,soltanmm-google/grpc,stanley-cheung/grpc,tempbottle/grpc,philcleveland/grpc,tempbottle/grpc,philcleveland/grpc,LuminateWireless/grpc,ksophocleous/grpc,jtattermusch/grpc,ipylypiv/grpc,kskalski/grpc,gpndata/grpc,ppietrasa/grpc,ofrobots/grpc,kskalski/grpc,vsco/grpc,adelez/grpc,goldenbull/grpc,carl-mastrangelo/grpc,arkmaxim/grpc,muxi/grpc,msmania/grpc,PeterFaiman/ruby-grpc-minimal,kriswuollett/grpc,msiedlarek/grpc,ipylypiv/grpc,malexzx/grpc,mehrdada/grpc,jboeuf/grpc,apolcyn/grpc,mehrdada/grpc,dklempner/grpc,yongni/grpc,geffzhang/grpc,nicolasnoble/grpc,ipylypiv/grpc,kumaralokgithub/grpc,adelez/grpc,nicolasnoble/grpc,miselin/grpc,soltanmm-google/grpc,firebase/grpc,larsonmpdx/grpc,w4-sjcho/grpc,sreecha/grpc,deepaklukose/grpc,zhimingxie/grpc,makdharma/grpc,miselin/grpc,vsco/grpc,yongni/grpc,thunderboltsid/grpc,nicolasnoble/grpc,fuchsia-mirror/third_party-grpc,larsonmpdx/grpc,fichter/grpc,adelez/grpc,thinkerou/grpc,ipylypiv/grpc,jboeuf/grpc,yongni/grpc,surround-io/grpc,ananthonline/grpc,baylabs/grpc,jtattermusch/grpc,Vizerai/grpc,doubi-workshop/grpc,tempbottle/grpc,royalharsh/grpc,ofrobots/grpc,ejona86/grpc,fuchsia-mirror/third_party-grpc,grpc/grpc,dklempner/grpc,PeterFaiman/ruby-grpc-minimal,maxwell-demon/grpc,tempbottle/grpc,arkmaxim/grpc,kpayson64/grpc,royalharsh/grpc,pmarks-net/grpc,stanley-cheung/grpc,carl-mastrangelo/grpc,dklempner/grpc,simonkuang/grpc,cgvarela/grpc,jboeuf/grpc,podsvirov/grpc,simonkuang/grpc,kpayson64/grpc,grpc/grpc,gpndata/grpc,crast/grpc,podsvirov/grpc,infinit/grpc,yongni/grpc,andrewpollock/grpc,mehrdada/grpc,kriswuollett/grpc,makdharma/grpc,fuchsia-mirror/third_party-grpc,malexzx/grpc,jboeuf/grpc,apolcyn/grpc,a11r/grpc,ofrobots/grpc,matt-kwong/grpc,vjpai/grpc,ofrobots/grpc,bogdandrutu/grpc,ipylypiv/grpc,murgatroid99/grpc,pszemus/grpc,tengyifei/grpc,a11r/grpc,greasypizza/grpc,Crevil/grpc,adelez/grpc,yinsu/grpc,firebase/grpc,ofrobots/grpc,apolcyn/grpc,Crevil/grpc,matt-kwong/grpc,murgatroid99/grpc,vsco/grpc,stanley-cheung/grpc,y-zeng/grpc,fuchsia-mirror/third_party-grpc,tengyifei/grpc,yugui/grpc,philcleveland/grpc,vjpai/grpc,yang-g/grpc,simonkuang/grpc,y-zeng/grpc,yang-g/grpc,malexzx/grpc,wcevans/grpc,grani/grpc,bjori/grpc,perumaalgoog/grpc,larsonmpdx/grpc,xtopsoft/grpc,deepaklukose/grpc,makdharma/grpc,y-zeng/grpc,carl-mastrangelo/grpc,apolcyn/grpc,pmarks-net/grpc,ctiller/grpc,cgvarela/grpc,msmania/grpc,jboeuf/grpc,maxwell-demon/grpc,wcevans/grpc,a-veitch/grpc,soltanmm-google/grpc,grpc/grpc,jcanizales/grpc,PeterFaiman/ruby-grpc-minimal,jcanizales/grpc,soltanmm-google/grpc,malexzx/grpc,vsco/grpc,larsonmpdx/grpc,muxi/grpc,firebase/grpc,grpc/grpc,yugui/grpc,kriswuollett/grpc,grpc/grpc,meisterpeeps/grpc,grani/grpc,simonkuang/grpc,thunderboltsid/grpc,thunderboltsid/grpc,bjori/grpc,a-veitch/grpc,fuchsia-mirror/third_party-grpc,maxwell-demon/grpc,ctiller/grpc,larsonmpdx/grpc,w4-sjcho/grpc,murgatroid99/grpc,sreecha/grpc,msmania/grpc,leifurhauks/grpc,doubi-workshop/grpc,meisterpeeps/grpc,LuminateWireless/grpc,malexzx/grpc,crast/grpc,jtattermusch/grpc,muxi/grpc,bogdandrutu/grpc,vjpai/grpc,jtattermusch/grpc,Crevil/grpc,infinit/grpc,vsco/grpc,soltanmm/grpc,firebase/grpc,a11r/grpc,royalharsh/grpc,adelez/grpc,yang-g/grpc,apolcyn/grpc,dgquintas/grpc,daniel-j-born/grpc,stanley-cheung/grpc,dgquintas/grpc,dgquintas/grpc,jtattermusch/grpc,pszemus/grpc,ncteisen/grpc,jcanizales/grpc,zhimingxie/grpc,vsco/grpc,thinkerou/grpc,meisterpeeps/grpc,tamihiro/grpc,tengyifei/grpc,surround-io/grpc,ejona86/grpc,malexzx/grpc,MakMukhi/grpc,gpndata/grpc,donnadionne/grpc,baylabs/grpc,deepaklukose/grpc,fuchsia-mirror/third_party-grpc,baylabs/grpc,infinit/grpc,donnadionne/grpc,xtopsoft/grpc,perumaalgoog/grpc,zhimingxie/grpc,wcevans/grpc,7anner/grpc,kriswuollett/grpc,rjshade/grpc,ipylypiv/grpc,makdharma/grpc,yugui/grpc,yongni/grpc,bogdandrutu/grpc,MakMukhi/grpc,yinsu/grpc,kriswuollett/grpc,simonkuang/grpc,greasypizza/grpc,murgatroid99/grpc,deepaklukose/grpc,sreecha/grpc,msiedlarek/grpc,fichter/grpc,ppietrasa/grpc,ejona86/grpc,vsco/grpc,kriswuollett/grpc,yinsu/grpc,soltanmm-google/grpc,Crevil/grpc,mehrdada/grpc,meisterpeeps/grpc,adelez/grpc,mehrdada/grpc,y-zeng/grpc,sreecha/grpc,a11r/grpc,MakMukhi/grpc,stanley-cheung/grpc,PeterFaiman/ruby-grpc-minimal,y-zeng/grpc,pszemus/grpc,geffzhang/grpc,pszemus/grpc,firebase/grpc,chrisdunelm/grpc,ananthonline/grpc,7anner/grpc,nicolasnoble/grpc,chrisdunelm/grpc,kumaralokgithub/grpc,kumaralokgithub/grpc,kumaralokgithub/grpc,xtopsoft/grpc,zhimingxie/grpc,ncteisen/grpc,kumaralokgithub/grpc,yongni/grpc,maxwell-demon/grpc,tamihiro/grpc,royalharsh/grpc,JoeWoo/grpc,goldenbull/grpc,ofrobots/grpc,yinsu/grpc,msmania/grpc,thinkerou/grpc,a11r/grpc,MakMukhi/grpc,wcevans/grpc,grpc/grpc,podsvirov/grpc,matt-kwong/grpc,ipylypiv/grpc,perumaalgoog/grpc,Crevil/grpc,jboeuf/grpc,chrisdunelm/grpc,Vizerai/grpc,jcanizales/grpc,deepaklukose/grpc,dklempner/grpc,royalharsh/grpc,w4-sjcho/grpc,vjpai/grpc,vjpai/grpc,wangyikai/grpc,greasypizza/grpc,a-veitch/grpc,doubi-workshop/grpc,kumaralokgithub/grpc,kskalski/grpc,MakMukhi/grpc,crast/grpc,JoeWoo/grpc,geffzhang/grpc,carl-mastrangelo/grpc,meisterpeeps/grpc,ncteisen/grpc,soltanmm/grpc,hstefan/grpc,fichter/grpc,doubi-workshop/grpc,larsonmpdx/grpc,royalharsh/grpc,andrewpollock/grpc,daniel-j-born/grpc,leifurhauks/grpc,cgvarela/grpc,yinsu/grpc,kpayson64/grpc,carl-mastrangelo/grpc,w4-sjcho/grpc,PeterFaiman/ruby-grpc-minimal,ctiller/grpc,larsonmpdx/grpc,baylabs/grpc,LuminateWireless/grpc,msiedlarek/grpc,arkmaxim/grpc,tempbottle/grpc,doubi-workshop/grpc,infinit/grpc,madongfly/grpc,adelez/grpc,w4-sjcho/grpc,yugui/grpc,tengyifei/grpc,LuminateWireless/grpc,ctiller/grpc,crast/grpc,ejona86/grpc,msmania/grpc,greasypizza/grpc,vjpai/grpc,wcevans/grpc,tengyifei/grpc,muxi/grpc,tamihiro/grpc,ctiller/grpc,yang-g/grpc,xtopsoft/grpc,a11r/grpc,kskalski/grpc,kpayson64/grpc,w4-sjcho/grpc,pszemus/grpc,soltanmm/grpc,quizlet/grpc,donnadionne/grpc,maxwell-demon/grpc,adelez/grpc,thinkerou/grpc,kriswuollett/grpc,deepaklukose/grpc,dklempner/grpc,tamihiro/grpc,msmania/grpc,ncteisen/grpc,tempbottle/grpc,JoeWoo/grpc,yugui/grpc,hstefan/grpc,miselin/grpc,ctiller/grpc,7anner/grpc,JoeWoo/grpc,dgquintas/grpc,goldenbull/grpc,PeterFaiman/ruby-grpc-minimal,goldenbull/grpc,soltanmm-google/grpc,yugui/grpc,LuminateWireless/grpc,jboeuf/grpc,bjori/grpc,greasypizza/grpc,sreecha/grpc,Vizerai/grpc,podsvirov/grpc,jtattermusch/grpc,grpc/grpc,makdharma/grpc,ctiller/grpc,miselin/grpc,jboeuf/grpc,rjshade/grpc,miselin/grpc,meisterpeeps/grpc,soltanmm-google/grpc,murgatroid99/grpc,PeterFaiman/ruby-grpc-minimal,madongfly/grpc,yang-g/grpc,kpayson64/grpc,donnadionne/grpc,fuchsia-mirror/third_party-grpc,surround-io/grpc,donnadionne/grpc,Vizerai/grpc,thunderboltsid/grpc,thunderboltsid/grpc,VcamX/grpc,vjpai/grpc,quizlet/grpc,geffzhang/grpc,Crevil/grpc,miselin/grpc,w4-sjcho/grpc,quizlet/grpc,ppietrasa/grpc,y-zeng/grpc,tamihiro/grpc,thinkerou/grpc,bogdandrutu/grpc,carl-mastrangelo/grpc,PeterFaiman/ruby-grpc-minimal,grani/grpc,royalharsh/grpc,kriswuollett/grpc,ananthonline/grpc,grpc/grpc,crast/grpc,soltanmm-google/grpc,fichter/grpc,matt-kwong/grpc,bogdandrutu/grpc,simonkuang/grpc,donnadionne/grpc,ncteisen/grpc,baylabs/grpc,crast/grpc,royalharsh/grpc,chrisdunelm/grpc,rjshade/grpc,muxi/grpc,ipylypiv/grpc,baylabs/grpc,geffzhang/grpc,ctiller/grpc,muxi/grpc,makdharma/grpc,pszemus/grpc,kumaralokgithub/grpc,yongni/grpc,sreecha/grpc,pmarks-net/grpc,baylabs/grpc,wangyikai/grpc,makdharma/grpc,yinsu/grpc,cgvarela/grpc,kskalski/grpc,vjpai/grpc,tamihiro/grpc,yang-g/grpc,wcevans/grpc,wangyikai/grpc,ctiller/grpc,nicolasnoble/grpc,bjori/grpc,miselin/grpc,Vizerai/grpc,arkmaxim/grpc,larsonmpdx/grpc,tengyifei/grpc,VcamX/grpc,philcleveland/grpc,msiedlarek/grpc,jtattermusch/grpc,muxi/grpc,mehrdada/grpc,miselin/grpc,doubi-workshop/grpc,zhimingxie/grpc,daniel-j-born/grpc,thunderboltsid/grpc,simonkuang/grpc,jcanizales/grpc,thinkerou/grpc,bjori/grpc,soltanmm/grpc,dklempner/grpc,pmarks-net/grpc,quizlet/grpc,msiedlarek/grpc,dgquintas/grpc,chrisdunelm/grpc,dklempner/grpc,VcamX/grpc,sreecha/grpc,mehrdada/grpc,kumaralokgithub/grpc,apolcyn/grpc,malexzx/grpc,royalharsh/grpc,fichter/grpc,andrewpollock/grpc,wcevans/grpc,yugui/grpc,dklempner/grpc,apolcyn/grpc,greasypizza/grpc,andrewpollock/grpc,andrewpollock/grpc,maxwell-demon/grpc,ejona86/grpc,wcevans/grpc,nicolasnoble/grpc,bjori/grpc,podsvirov/grpc,baylabs/grpc,rjshade/grpc,ofrobots/grpc,ppietrasa/grpc,matt-kwong/grpc,geffzhang/grpc,kpayson64/grpc,ksophocleous/grpc,wangyikai/grpc,ppietrasa/grpc,ananthonline/grpc,bjori/grpc,ananthonline/grpc,murgatroid99/grpc,kpayson64/grpc,xtopsoft/grpc,kpayson64/grpc,PeterFaiman/ruby-grpc-minimal,leifurhauks/grpc,makdharma/grpc,stanley-cheung/grpc,philcleveland/grpc,matt-kwong/grpc,malexzx/grpc,jcanizales/grpc,zhimingxie/grpc,leifurhauks/grpc,Vizerai/grpc,thinkerou/grpc,ofrobots/grpc,kskalski/grpc,jboeuf/grpc,muxi/grpc,gpndata/grpc,ppietrasa/grpc,geffzhang/grpc,a11r/grpc,daniel-j-born/grpc,pmarks-net/grpc,ppietrasa/grpc,VcamX/grpc,hstefan/grpc,jcanizales/grpc,ananthonline/grpc,soltanmm/grpc,pszemus/grpc,thunderboltsid/grpc,hstefan/grpc,jcanizales/grpc,dgquintas/grpc,ananthonline/grpc,mehrdada/grpc,tamihiro/grpc,wangyikai/grpc,arkmaxim/grpc,kpayson64/grpc,jboeuf/grpc,JoeWoo/grpc,jcanizales/grpc,rjshade/grpc,jboeuf/grpc,deepaklukose/grpc,leifurhauks/grpc,tengyifei/grpc,hstefan/grpc,yugui/grpc,jtattermusch/grpc,bogdandrutu/grpc,fuchsia-mirror/third_party-grpc,madongfly/grpc,cgvarela/grpc,arkmaxim/grpc,bjori/grpc,thinkerou/grpc,goldenbull/grpc,MakMukhi/grpc,msmania/grpc,leifurhauks/grpc,leifurhauks/grpc,donnadionne/grpc,xtopsoft/grpc,msmania/grpc,larsonmpdx/grpc,miselin/grpc,thinkerou/grpc,stanley-cheung/grpc,muxi/grpc,muxi/grpc,MakMukhi/grpc,nicolasnoble/grpc,ipylypiv/grpc,firebase/grpc,daniel-j-born/grpc,a-veitch/grpc,vjpai/grpc,mehrdada/grpc,ananthonline/grpc,matt-kwong/grpc,ejona86/grpc,murgatroid99/grpc,quizlet/grpc,hstefan/grpc,dgquintas/grpc,cgvarela/grpc,quizlet/grpc,jtattermusch/grpc,murgatroid99/grpc,VcamX/grpc,makdharma/grpc,simonkuang/grpc,sreecha/grpc,carl-mastrangelo/grpc,infinit/grpc,nicolasnoble/grpc,sreecha/grpc,andrewpollock/grpc,ncteisen/grpc,meisterpeeps/grpc,soltanmm-google/grpc,wangyikai/grpc,bogdandrutu/grpc,VcamX/grpc,y-zeng/grpc,Crevil/grpc,pmarks-net/grpc,Crevil/grpc,infinit/grpc,andrewpollock/grpc,donnadionne/grpc,tengyifei/grpc,ncteisen/grpc,xtopsoft/grpc,cgvarela/grpc,jtattermusch/grpc,kriswuollett/grpc,maxwell-demon/grpc,soltanmm/grpc,murgatroid99/grpc,thinkerou/grpc,Vizerai/grpc,grpc/grpc,quizlet/grpc,madongfly/grpc,7anner/grpc,dklempner/grpc,tempbottle/grpc,grani/grpc,geffzhang/grpc,perumaalgoog/grpc,quizlet/grpc,daniel-j-born/grpc,yinsu/grpc,deepaklukose/grpc,vjpai/grpc,chrisdunelm/grpc,ctiller/grpc,rjshade/grpc,Vizerai/grpc,wcevans/grpc,jboeuf/grpc,thinkerou/grpc,gpndata/grpc,vsco/grpc,ncteisen/grpc,msmania/grpc,surround-io/grpc,arkmaxim/grpc,msiedlarek/grpc,rjshade/grpc,Vizerai/grpc,simonkuang/grpc,goldenbull/grpc,LuminateWireless/grpc,ctiller/grpc,chrisdunelm/grpc,leifurhauks/grpc,vsco/grpc,soltanmm/grpc,carl-mastrangelo/grpc,soltanmm/grpc,pmarks-net/grpc,wangyikai/grpc,geffzhang/grpc,grani/grpc,JoeWoo/grpc,7anner/grpc,yang-g/grpc,hstefan/grpc,philcleveland/grpc,y-zeng/grpc,ppietrasa/grpc,carl-mastrangelo/grpc,ksophocleous/grpc,thunderboltsid/grpc,philcleveland/grpc,nicolasnoble/grpc,mehrdada/grpc,ksophocleous/grpc,andrewpollock/grpc,pmarks-net/grpc,a-veitch/grpc,goldenbull/grpc,7anner/grpc,quizlet/grpc,stanley-cheung/grpc,Vizerai/grpc,firebase/grpc,a-veitch/grpc,ncteisen/grpc,pszemus/grpc,apolcyn/grpc,ppietrasa/grpc,LuminateWireless/grpc,hstefan/grpc,tamihiro/grpc,msiedlarek/grpc,thunderboltsid/grpc,podsvirov/grpc,chrisdunelm/grpc,grpc/grpc,apolcyn/grpc,tempbottle/grpc,ctiller/grpc,ejona86/grpc,goldenbull/grpc,jtattermusch/grpc,ejona86/grpc,chrisdunelm/grpc,pszemus/grpc,perumaalgoog/grpc,grani/grpc,matt-kwong/grpc,madongfly/grpc,wangyikai/grpc,kpayson64/grpc,kskalski/grpc,doubi-workshop/grpc,nicolasnoble/grpc,PeterFaiman/ruby-grpc-minimal,arkmaxim/grpc,JoeWoo/grpc,kskalski/grpc,ejona86/grpc,jtattermusch/grpc,sreecha/grpc,maxwell-demon/grpc,a-veitch/grpc,zhimingxie/grpc,surround-io/grpc,madongfly/grpc,podsvirov/grpc,deepaklukose/grpc,MakMukhi/grpc,kpayson64/grpc,goldenbull/grpc,7anner/grpc,vjpai/grpc,grani/grpc,ejona86/grpc,mehrdada/grpc,grpc/grpc,donnadionne/grpc,crast/grpc,thinkerou/grpc,gpndata/grpc,perumaalgoog/grpc,yang-g/grpc,w4-sjcho/grpc,meisterpeeps/grpc,cgvarela/grpc,pszemus/grpc,ksophocleous/grpc,7anner/grpc,doubi-workshop/grpc,philcleveland/grpc,ksophocleous/grpc,fichter/grpc,a11r/grpc,greasypizza/grpc,fuchsia-mirror/third_party-grpc,philcleveland/grpc,ejona86/grpc,sreecha/grpc,firebase/grpc,yongni/grpc,crast/grpc,kskalski/grpc,a-veitch/grpc,perumaalgoog/grpc,grpc/grpc,a-veitch/grpc,soltanmm/grpc,VcamX/grpc,muxi/grpc,infinit/grpc,ofrobots/grpc,LuminateWireless/grpc,mehrdada/grpc,gpndata/grpc,Vizerai/grpc,doubi-workshop/grpc,firebase/grpc,ananthonline/grpc,yinsu/grpc,dgquintas/grpc,greasypizza/grpc,zhimingxie/grpc,zhimingxie/grpc,ksophocleous/grpc,chrisdunelm/grpc,podsvirov/grpc,ejona86/grpc,andrewpollock/grpc,chrisdunelm/grpc,nicolasnoble/grpc,perumaalgoog/grpc,grani/grpc,bogdandrutu/grpc,adelez/grpc,ncteisen/grpc,dgquintas/grpc,y-zeng/grpc,surround-io/grpc,7anner/grpc,ncteisen/grpc,wangyikai/grpc,MakMukhi/grpc,LuminateWireless/grpc,firebase/grpc,donnadionne/grpc,maxwell-demon/grpc,sreecha/grpc,madongfly/grpc,matt-kwong/grpc,hstefan/grpc,surround-io/grpc,bogdandrutu/grpc,msiedlarek/grpc,infinit/grpc,madongfly/grpc,pmarks-net/grpc,gpndata/grpc,pszemus/grpc,JoeWoo/grpc,JoeWoo/grpc,daniel-j-born/grpc,yinsu/grpc,tamihiro/grpc,surround-io/grpc,fichter/grpc,rjshade/grpc,vjpai/grpc,madongfly/grpc,Crevil/grpc,greasypizza/grpc,baylabs/grpc,malexzx/grpc,firebase/grpc,murgatroid99/grpc,xtopsoft/grpc,fichter/grpc,carl-mastrangelo/grpc,a11r/grpc,grani/grpc