Change envconfig.Usage prefix to 'nsm'

Signed-off-by: Arpad Kiss <arpad.a.kiss@est.tech>

main.go

@@ -62,7 +62,7 @@ type Config struct {
 	ProxyRegistryURL       url.URL       `desc:"url to the proxy registry that handles this domain" split_words:"true"`
 	ExpirePeriod           time.Duration `default:"1s" desc:"period to check expired NSEs" split_words:"true"`
 	LogLevel               string        `default:"INFO" desc:"Log level" split_words:"true"`
-	OpenTelemetryEndpoint  string        `default:"otel-collector.observability.svc.cluster.local:4317" desc:"OpenTelemetry Collector Endpoint"`
+	OpenTelemetryEndpoint  string        `default:"otel-collector.observability.svc.cluster.local:4317" desc:"OpenTelemetry Collector Endpoint" split_words:"true"`
 	MetricsExportInterval  time.Duration `default:"10s" desc:"interval between mertics exports" split_words:"true"`
 }
 
@@ -92,10 +92,10 @@ func main() {
 
 	// Get config from environment
 	config := &Config{}
-	if err := envconfig.Usage("registry_memory", config); err != nil {
+	if err := envconfig.Usage("nsm", config); err != nil {
 		logrus.Fatal(err)
 	}
-	if err := envconfig.Process("registry_memory", config); err != nil {
+	if err := envconfig.Process("nsm", config); err != nil {
 		logrus.Fatalf("error processing config from env: %+v", err)
 	}