diff --git a/model/labels.go b/model/labels.go
index 73b7aa3e..f4a38760 100644
--- a/model/labels.go
+++ b/model/labels.go
@@ -22,7 +22,7 @@ import (
 )
 
 const (
-	// AlertNameLabel is the name of the label containing the an alert's name.
+	// AlertNameLabel is the name of the label containing the alert's name.
 	AlertNameLabel = "alertname"
 
 	// ExportedLabelPrefix is the prefix to prepend to the label names present in