diff --git a/docs/eventing/broker/channel-based-broker.md b/docs/eventing/broker/channel-based-broker.md
index b0d0e140c..c7996a53b 100644
--- a/docs/eventing/broker/channel-based-broker.md
+++ b/docs/eventing/broker/channel-based-broker.md
@@ -62,11 +62,13 @@ metadata:
 data:
   default-br-config: |
     clusterDefault:
+      brokerClass: ChannelBasedBroker
       apiVersion: v1
       kind: ConfigMap
       name: imc-channel
       namespace: knative-eventing
     namespaceDefaults:
+      brokerClass: ChannelBasedBroker
       test-broker-6:
         apiVersion: v1
         kind: ConfigMap
@@ -74,7 +76,6 @@ data:
         namespace: knative-eventing
 ```
 
-
 ## Installing Broker by Annotation
 
 The easiest way to get Broker installed, is to annotate your namespace