diff --git a/documentation/examples/prometheus.yml b/documentation/examples/prometheus.yml
index 312b578aad..9a45049c62 100644
--- a/documentation/examples/prometheus.yml
+++ b/documentation/examples/prometheus.yml
@@ -27,3 +27,6 @@ scrape_configs:
 
     static_configs:
       - targets: ["localhost:9090"]
+       # The label name is added as a label `label_name=<label_value>` to any timeseries scraped from this config.
+        labels:
+          app: "prometheus"