diff --git a/alerting/provider/slack/slack.go b/alerting/provider/slack/slack.go
index 3a81a0ad..4524ff5b 100644
--- a/alerting/provider/slack/slack.go
+++ b/alerting/provider/slack/slack.go
@@ -10,7 +10,7 @@ import (
 
 // AlertProvider is the configuration necessary for sending an alert using Slack
 type AlertProvider struct {
-	WebhookURL string `yaml:"webhook-url"`
+	WebhookURL string `yaml:"webhook-url"` // Slack webhook URL
 }
 
 // IsValid returns whether the provider's configuration is valid