diff --git a/config/config_test.go b/config/config_test.go
index 6a1afccee6a9f8fd61f98ffc1d3ef6b87da0b856..482465dcc0f7df63b2d17096ccfb9fa58e1192d2 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -59,5 +59,4 @@ func TestUseExistingConfig(t *testing.T) {
 				logrus.InfoLevel, LogLevel)
 		}
 	}
-
 }
diff --git a/metrics/prometheus.go b/metrics/prometheus.go
index 73bc3ab5956dd897651f1db74c337beb91ecede2..d07cc48b5fe3b4dad65c5fa75fd9a90f8ae102e9 100644
--- a/metrics/prometheus.go
+++ b/metrics/prometheus.go
@@ -6,17 +6,23 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 )
 
+// nolint
+// TODO: add description
 func StartHook(labels prometheus.Labels, counter *prometheus.CounterVec) time.Time {
 	counter.With(labels).Inc()
 	return time.Now()
 }
 
+// nolint
+// TODO: add description
 func FinishHook(labels prometheus.Labels, start time.Time, counter *prometheus.CounterVec, hist *prometheus.HistogramVec) {
 	duration := time.Since(start)
 	counter.With(labels).Add(duration.Seconds())
 	hist.With(labels).Observe(duration.Seconds())
 }
 
+// nolint
+// TODO: add description
 func HandleError(labels prometheus.Labels, err error, counter *prometheus.CounterVec) error {
 	errLabels := make(prometheus.Labels)
 	for k, v := range labels {