diff --git a/freegeoip/README.md b/freegeoip/README.md
index d70cc2e..4bd1258 100644
--- a/freegeoip/README.md
+++ b/freegeoip/README.md
@@ -31,4 +31,16 @@ $ curl -s http://localhost:8080/json/8.8.8.8 | jq .
   "longitude": -97.822,
   "metro_code": 0
 }
+
+$ curl -s http://localhost:8888/metrics
+freegeoip_client_connections{proto="http"} 0
+freegeoip_client_country_code_total{country_code="unknown"} 7
+freegeoip_client_ipproto_version_total{ip="4"} 7
+freegeoip_db_events_total{event="loaded"} 1
+go_gc_duration_seconds{quantile="0"} 5.9754e-05
+go_gc_duration_seconds{quantile="0.25"} 7.0367e-05
+go_gc_duration_seconds{quantile="0.5"} 9.6169e-05
+go_gc_duration_seconds{quantile="0.75"} 0.000112867
+go_gc_duration_seconds{quantile="1"} 0.000260533
+go_gc_duration_seconds_sum 0.001055739
 ```