diff --git a/docs/sources/alerting/_index.md b/docs/sources/alerting/_index.md
index 162fbe0f262..e2a766a4448 100644
--- a/docs/sources/alerting/_index.md
+++ b/docs/sources/alerting/_index.md
@@ -37,7 +37,7 @@ The actual notifications are configured and shared between multiple alerts.
 ## Alert execution
 
 Alert rules are evaluated in the Grafana backend in a scheduler and query execution engine that is part
-of core Grafana. Only some data sources are supported right now. They include `Graphite`, `Prometheus`, `InfluxDB`, `Elasticsearch`,
+of core Grafana. Only some data sources are supported right now. They include `Graphite`, `Prometheus`, `Loki`, `InfluxDB`, `Elasticsearch`,
 `Google Cloud Monitoring`, `Cloudwatch`, `Azure Monitor`, `MySQL`, `PostgreSQL`, `MSSQL`, `OpenTSDB`, `Oracle`, and `Azure Data Explorer`.
 
 ## Metrics from the alert engine