diff --git a/src/docs/markdown/metrics.md b/src/docs/markdown/metrics.md
index 7a14283..faab5a0 100644
--- a/src/docs/markdown/metrics.md
+++ b/src/docs/markdown/metrics.md
@@ -25,6 +25,18 @@ If using a Caddyfile, enable metrics [in global options](/docs/caddyfile/options
 
 If using JSON, add `"metrics": {}` to your [`apps > http > servers` configuration](/docs/json/apps/http/servers/).
 
+To add per host metrics you can insert the per_host option. Host specific metrics will now have a Host tag.
+
+```caddy
+{
+    servers {
+        metrics {
+            per_host
+        }
+    }
+}
+```
+
 ## Prometheus
 
 [Prometheus](https://prometheus.io) is a monitoring platform that collects