diff --git a/notifications/metrics.go b/notifications/metrics.go
index 3b43c51f..657b2aa0 100644
--- a/notifications/metrics.go
+++ b/notifications/metrics.go
@@ -12,11 +12,11 @@ import (
 
 var (
 	// eventsCounter counts total events of incoming, success, failure, and errors
-	eventsCounter = prometheus.NotificationsNamespace.NewLabeledCounter("events", "The number of total events", "type", "to")
+	eventsCounter = prometheus.NotificationsNamespace.NewLabeledCounter("events", "The number of total events", "type", "endpoint")
 	// pendingGauge measures the pending queue size
-	pendingGauge = prometheus.NotificationsNamespace.NewLabeledGauge("pending", "The gauge of pending events in queue", metrics.Total, "to")
+	pendingGauge = prometheus.NotificationsNamespace.NewLabeledGauge("pending", "The gauge of pending events in queue", metrics.Total, "endpoint")
 	// statusCounter counts the total notification call per each status code
-	statusCounter = prometheus.NotificationsNamespace.NewLabeledCounter("status", "The number of status code", "code", "to")
+	statusCounter = prometheus.NotificationsNamespace.NewLabeledCounter("status", "The number of status code", "code", "endpoint")
 )
 
 // EndpointMetrics track various actions taken by the endpoint, typically by