add signal_url  description (#9784)
add signal_url  description (#9784)


xkproject/Orchard2,stevetayloruk/Orchard2,xkproject/Orchard2,xkproject/Orchard2,stevetayloruk/Orchard2,xkproject/Orchard2,stevetayloruk/Orchard2,stevetayloruk/Orchard2,xkproject/Orchard2,stevetayloruk/Orchard2