Update prometheus-alerts.md

Author: yairgil

articles/azure-monitor/alerts/prometheus-alerts.md

@@ -29,7 +29,7 @@ View fired and resolved Prometheus alerts in the Azure portal with other alert t
 
 ## Explore Prometheus alerts in Grafana
 1. In the fired alerts details pane, you can click the **View query in Grafana** link. 
-2. A browser tab will be opened taking you to the [Azure Managed Grafana](../../managed-grafana/) instance connected to your Azure Monitor Workspace. 
+2. A browser tab will be opened taking you to the [Azure Managed Grafana](../../managed-grafana/overview.md) instance connected to your Azure Monitor Workspace. 
 3. Grafana will be opened in Explore mode, presenting the chart for your alert rule expression query which triggered the alert, around the alert firing time. You can further explore the query in Grafana to identify the reason causing the alert to fire.
 
 > [!NOTES]