diff --git a/envoy.yaml b/envoy.yaml
index 3ae1416..1977d4b 100644
--- a/envoy.yaml
+++ b/envoy.yaml
@@ -1,10 +1,12 @@
 static_resources:
+  # --8<-- [start:listener]
   listeners:
   - name: listener_0
     address:
       socket_address:
         address: 0.0.0.0
         port_value: 10000
+    # --8<-- [end:listener]
     filter_chains:
     - filter_chain_match:
         server_names: ["*.john-stream.com"]