diff --git a/doc/self-hosting.md b/doc/self-hosting.md
index 4982dd5db3..8d7deec4e9 100644
--- a/doc/self-hosting.md
+++ b/doc/self-hosting.md
@@ -198,10 +198,10 @@ sudo node server
 ### Prometheus
 
 Shields uses [prom-client](https://github.com/siimon/prom-client) to provide [default metrics](https://prometheus.io/docs/instrumenting/writing_clientlibs/#standard-and-runtime-collectors). These metrics are disabled by default.
-You can enable them by `METRICS_PROMETHEUS_ENABLED` environment variable.
+You can enable them by `METRICS_PROMETHEUS_ENABLED` and `METRICS_PROMETHEUS_ENDPOINT_ENABLED` environment variables.
 
 ```bash
-METRICS_PROMETHEUS_ENABLED=true npm start
+METRICS_PROMETHEUS_ENABLED=true METRICS_PROMETHEUS_ENDPOINT_ENABLED=true npm start
 ```
 
 Metrics are available at `/metrics` resource.