diff --git a/content/en/docs/reference/labels-annotations-taints/_index.md b/content/en/docs/reference/labels-annotations-taints/_index.md
index 6450607233..36e5d97a2f 100644
--- a/content/en/docs/reference/labels-annotations-taints/_index.md
+++ b/content/en/docs/reference/labels-annotations-taints/_index.md
@@ -238,7 +238,8 @@ When a StatefulSet controller creates a Pod for the StatefulSet, it sets this la
 The value of the label is the ordinal index of the pod being created.
 
 See [Pod Index Label](/docs/concepts/workloads/controllers/statefulset/#pod-index-label)
-in the StatefulSet topic for more details.
+in the StatefulSet topic for more details. Note the [PodIndexLabel](content/en/docs/reference/command-line-tools-reference/feature-gates.md) feature gate must be enabled
+for this label to be added to pods.
 
 ### cluster-autoscaler.kubernetes.io/safe-to-evict
 
@@ -1056,6 +1057,9 @@ Used on: Pod
 The Job controller in the kube-controller-manager sets this as a label and annotation for Pods
 created with Indexed [completion mode](/docs/concepts/workloads/controllers/job/#completion-mode).
 
+Note the [PodIndexLabel](content/en/docs/reference/command-line-tools-reference/feature-gates.md) feature gate must be enabled
+for this to be added as a pod **label**, otherwise it will just be an annotation.
+
 ### kubectl.kubernetes.io/default-container
 
 Type: Annotation