diff --git a/pkg/apis/core/annotation_key_constants.go b/pkg/apis/core/annotation_key_constants.go
index bbac9189b1..e8ab22fa47 100644
--- a/pkg/apis/core/annotation_key_constants.go
+++ b/pkg/apis/core/annotation_key_constants.go
@@ -83,9 +83,9 @@ const (
 	// Not all cloud providers support this annotation, though AWS & GCE do.
 	AnnotationLoadBalancerSourceRangesKey = "service.beta.kubernetes.io/load-balancer-source-ranges"
 
-	// EndpointsLastTriggerTime is the annotation key, set for endpoints objects, that represents the
-	// timestamp (in milliseconds) of the last change that triggered the endpoints object update.
-	// This annotation will be used to compute the in-cluster network programming SLI. See
-	// https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
-	EndpointsLastTriggerTime = "kubernetes.io/endpoints.last-trigger-time"
+	// EndpointsLastUpdateTriggerTime is the annotation key, set for endpoints objects, that
+	// represents the timestamp (in milliseconds) of the last change that triggered the endpoints
+	// object update. This annotation will be used to compute the in-cluster network programming SLI.
+	// See https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
+	EndpointsLastUpdateTriggerTime = "endpoints.kubernetes.io/last-update-trigger-time"
 )
diff --git a/staging/src/k8s.io/api/core/v1/annotation_key_constants.go b/staging/src/k8s.io/api/core/v1/annotation_key_constants.go
index c8add833da..6929b83c54 100644
--- a/staging/src/k8s.io/api/core/v1/annotation_key_constants.go
+++ b/staging/src/k8s.io/api/core/v1/annotation_key_constants.go
@@ -79,9 +79,9 @@ const (
 	// Not all cloud providers support this annotation, though AWS & GCE do.
 	AnnotationLoadBalancerSourceRangesKey = "service.beta.kubernetes.io/load-balancer-source-ranges"
 
-	// EndpointsLastTriggerTime is the annotation key, set for endpoints objects, that represents the
-	// timestamp (in milliseconds) of the last change that triggered the endpoints object update.
-	// This annotation will be used to compute the in-cluster network programming SLI. See
-	// https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
-	EndpointsLastTriggerTime = "kubernetes.io/endpoints.last-trigger-time"
+	// EndpointsLastUpdateTriggerTime is the annotation key, set for endpoints objects, that
+	// represents the timestamp (in milliseconds) of the last change that triggered the endpoints
+	// object update. This annotation will be used to compute the in-cluster network programming SLI.
+	// See https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
+	EndpointsLastUpdateTriggerTime = "endpoints.kubernetes.io/last-update-trigger-time"
 )