add comment

registry/protocol/protocol.go

@@ -117,6 +117,7 @@ func (proto *registryProtocol) initConfigurationListeners() {
 	proto.providerConfigurationListener = newProviderConfigurationListener(proto.overrideListeners)
 }
 
+// nolint
 func (proto *registryProtocol) GetRegistries() []registry.Registry {
 	var rs []registry.Registry
 	proto.registries.Range(func(_, v interface{}) bool {

registry/service_discovery_factory.go

@@ -17,7 +17,8 @@
 
 package registry
 
-// ServiceDiscoveryHolder
+// ServiceDiscoveryHolder we can get a service discovery
+// it always be a service discovery registry
 type ServiceDiscoveryHolder interface {
 	// GetServiceDiscovery get service discovery
 	GetServiceDiscovery() ServiceDiscovery