Fixed setting custom tx metrics prefix in documentation
Fixed setting custom tx metrics prefix in documentation

jamestyack/titan,mwpnava/titan,tomersagi/titan,xlcupid/titan,dylanht/titan,anuragkh/titan,samanalysis/titan,elkingtonmcb/titan,wangbf/titan,ThiagoGarciaAlves/titan,kalatestimine/titan,anuragkh/titan,anuragkh/titan,evanv/titan,thinkaurelius/titan,amcp/titan,banjiewen/titan,CYPP/titan,ThiagoGarciaAlves/titan,nvoron23/titan,graben1437/titan,englishtown/titan,mbrukman/titan,jankotek/titan,kalatestimine/titan,hortonworks/titan,dylanht/titan,nvoron23/titan,graben1437/titan,nvoron23/titan,pluradj/titan,samanalysis/titan,jamestyack/titan,hortonworks/titan,dylanht/titan,ThiagoGarciaAlves/titan,elubow/titan,elubow/titan,elkingtonmcb/titan,fengshao0907/titan,elkingtonmcb/titan,fengshao0907/titan,xlcupid/titan,mbrukman/titan,tomersagi/titan,mwpnava/titan,xlcupid/titan,ThiagoGarciaAlves/titan,thinkaurelius/titan,qiuqiyuan/titan,hortonworks/titan,mbrukman/titan,evanv/titan,graben1437/titan,mbrukman/titan,evanv/titan,fengshao0907/titan,kangkot/titan,qiuqiyuan/titan,hortonworks/titan,pluradj/titan,anuragkh/titan,jankotek/titan,xlcupid/titan,elkingtonmcb/titan,fengshao0907/titan,pluradj/titan,wangbf/titan,amcp/titan,kalatestimine/titan,nvoron23/titan,mbrukman/titan,evanv/titan,anuragkh/titan,tomersagi/titan,englishtown/titan,kalatestimine/titan,jamestyack/titan,elubow/titan,wangbf/titan,mwpnava/titan,tomersagi/titan,elkingtonmcb/titan,wangbf/titan,hortonworks/titan,englishtown/titan,banjiewen/titan,tomersagi/titan,thinkaurelius/titan,amcp/titan,englishtown/titan,kangkot/titan,jankotek/titan,mwpnava/titan,fengshao0907/titan,CYPP/titan,qiuqiyuan/titan,ThiagoGarciaAlves/titan,qiuqiyuan/titan,xlcupid/titan,thinkaurelius/titan,evanv/titan,jankotek/titan,banjiewen/titan,samanalysis/titan,samanalysis/titan,amcp/titan,mwpnava/titan,qiuqiyuan/titan,dylanht/titan,jankotek/titan,banjiewen/titan,pluradj/titan,kangkot/titan,jamestyack/titan,elubow/titan,wangbf/titan,kangkot/titan,CYPP/titan,graben1437/titan,kalatestimine/titan,CYPP/titan,kangkot/titan,jamestyack/titan