diff --git a/rules/alerting.go b/rules/alerting.go
index b66d6db88e..e9f553935e 100644
--- a/rules/alerting.go
+++ b/rules/alerting.go
@@ -290,7 +290,7 @@ func (r *AlertingRule) SetRestored(restored bool) {
 }
 
 // resolvedRetention is the duration for which a resolved alert instance
-// is kept in memory state and consequentally repeatedly sent to the AlertManager.
+// is kept in memory state and consequently repeatedly sent to the AlertManager.
 const resolvedRetention = 15 * time.Minute
 
 // Eval evaluates the rule expression and then creates pending alerts and fires