diff --git a/discovery/kubernetes/endpoints.go b/discovery/kubernetes/endpoints.go
index c60bf3543..ed3bfaf50 100644
--- a/discovery/kubernetes/endpoints.go
+++ b/discovery/kubernetes/endpoints.go
@@ -221,7 +221,7 @@ func (e *Endpoints) buildEndpoints(eps *apiv1.Endpoints) *targetgroup.Group {
 		endpointsNameLabel: lv(eps.Name),
 	}
 	e.addServiceLabels(eps.Namespace, eps.Name, tg)
-	//add endponits labels metadata
+	// Add endpoints labels metadata.
 	for k, v := range eps.Labels {
 		ln := strutil.SanitizeLabelName(k)
 		tg.Labels[model.LabelName(endpointsLabelPrefix+ln)] = lv(v)
diff --git a/discovery/kubernetes/kubernetes_test.go b/discovery/kubernetes/kubernetes_test.go
index 7b3de45a3..087c52fa9 100644
--- a/discovery/kubernetes/kubernetes_test.go
+++ b/discovery/kubernetes/kubernetes_test.go
@@ -110,8 +110,8 @@ func (d k8sDiscoveryTest) Run(t *testing.T) {
 	}
 }
 
-// readResultWithTimeout reads all targegroups from channel with timeout.
-// It merges targegroups by source and sends the result to result channel.
+// readResultWithTimeout reads all targetgroups from channel with timeout.
+// It merges targetgroups by source and sends the result to result channel.
 func readResultWithTimeout(t *testing.T, ch <-chan []*targetgroup.Group, max int, timeout time.Duration, resChan chan<- map[string]*targetgroup.Group) {
 	res := make(map[string]*targetgroup.Group)
 Loop:
diff --git a/storage/interface.go b/storage/interface.go
index 5583dcf02..e017d9317 100644
--- a/storage/interface.go
+++ b/storage/interface.go
@@ -106,7 +106,7 @@ type ChunkQuerier interface {
 // LabelQuerier provides querying access over labels.
 type LabelQuerier interface {
 	// LabelValues returns all potential values for a label name.
-	// It is not safe to use the strings beyond the lifefime of the querier.
+	// It is not safe to use the strings beyond the lifetime of the querier.
 	// If matchers are specified the returned result set is reduced
 	// to label values of metrics matching the matchers.
 	LabelValues(name string, matchers ...*labels.Matcher) ([]string, Warnings, error)