diff --git a/pkg/features/kube_features.go b/pkg/features/kube_features.go
index 21990f2919a..a2a2be85044 100644
--- a/pkg/features/kube_features.go
+++ b/pkg/features/kube_features.go
@@ -811,6 +811,7 @@ const (
 	// owner: @gjkim42 @SergeyKanzhelev @matthyx @tzneal
 	// kep: http://kep.k8s.io/753
 	// alpha: v1.28
+	// beta: v1.29
 	//
 	// Introduces sidecar containers, a new type of init container that starts
 	// before other containers but remains running for the full duration of the