diff --git a/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/types.go b/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
index 0735a21b65a..1675cfbaac0 100644
--- a/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
+++ b/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/types.go
@@ -1243,7 +1243,11 @@ type ManagedFieldsEntry struct {
 	// APIVersion field. It is necessary to track the version of a field
 	// set because it cannot be automatically converted.
 	APIVersion string `json:"apiVersion,omitempty" protobuf:"bytes,3,opt,name=apiVersion"`
-	// Time is timestamp of when these fields were set. It should always be empty if Operation is 'Apply'
+	// Time is the timestamp of when the ManagedFields entry was added. The
+	// timestamp will also be updated if a field is added, the manager
+	// changes any of the owned fields value or removes a field. The
+	// timestamp does not update when a field is removed from the entry
+	// because another manager took it over.
 	// +optional
 	Time *Time `json:"time,omitempty" protobuf:"bytes,4,opt,name=time"`