diff --git a/discovery/kubernetes/pod.go b/discovery/kubernetes/pod.go
index c3f9fb1c4..044b3bbad 100644
--- a/discovery/kubernetes/pod.go
+++ b/discovery/kubernetes/pod.go
@@ -216,7 +216,7 @@ func (p *Pod) buildPod(pod *apiv1.Pod) *targetgroup.Group {
 
 	containers := append(pod.Spec.Containers, pod.Spec.InitContainers...)
 	for i, c := range containers {
-		is_init := i >= len(pod.Spec.Containers)
+		isInit := i >= len(pod.Spec.Containers)
 
 		// If no ports are defined for the container, create an anonymous
 		// target per container.
@@ -226,7 +226,7 @@ func (p *Pod) buildPod(pod *apiv1.Pod) *targetgroup.Group {
 			tg.Targets = append(tg.Targets, model.LabelSet{
 				model.AddressLabel:    lv(pod.Status.PodIP),
 				podContainerNameLabel: lv(c.Name),
-				podContainerIsInit:    lv(strconv.FormatBool(is_init)),
+				podContainerIsInit:    lv(strconv.FormatBool(isInit)),
 			})
 			continue
 		}
@@ -241,7 +241,7 @@ func (p *Pod) buildPod(pod *apiv1.Pod) *targetgroup.Group {
 				podContainerPortNumberLabel:   lv(ports),
 				podContainerPortNameLabel:     lv(port.Name),
 				podContainerPortProtocolLabel: lv(string(port.Protocol)),
-				podContainerIsInit:            lv(strconv.FormatBool(is_init)),
+				podContainerIsInit:            lv(strconv.FormatBool(isInit)),
 			})
 		}
 	}
diff --git a/docs/configuration/configuration.md b/docs/configuration/configuration.md
index 45d003e88..bf5e21144 100644
--- a/docs/configuration/configuration.md
+++ b/docs/configuration/configuration.md
@@ -754,10 +754,10 @@ Available meta labels:
 * `__meta_kubernetes_pod_annotation_<annotationname>`: Each annotation from the pod object.
 * `__meta_kubernetes_pod_annotationpresent_<annotationname>`: `true` for each annotation from the pod object.
 * `__meta_kubernetes_pod_container_name`: Name of the container the target address points to.
+* `__meta_kubernetes_pod_container_port_is_init`: `true` if the container is an [InitContainer](https://kubernetes.io/docs/concepts/workloads/pods/init-containers/)
 * `__meta_kubernetes_pod_container_port_name`: Name of the container port.
 * `__meta_kubernetes_pod_container_port_number`: Number of the container port.
 * `__meta_kubernetes_pod_container_port_protocol`: Protocol of the container port.
-* `__meta_kubernetes_pod_container_port_is_init`: Designates whether the container is an [InitContainer](https://kubernetes.io/docs/concepts/workloads/pods/init-containers/)
 * `__meta_kubernetes_pod_ready`: Set to `true` or `false` for the pod's ready state.
 * `__meta_kubernetes_pod_phase`: Set to `Pending`, `Running`, `Succeeded`, `Failed` or `Unknown`
   in the [lifecycle](https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#pod-phase).