diff --git a/docs/eventing/samples/kafka/channel/000-ksvc.yaml b/docs/eventing/samples/kafka/channel/000-ksvc.yaml
index 2a37a3604..eec19b511 100644
--- a/docs/eventing/samples/kafka/channel/000-ksvc.yaml
+++ b/docs/eventing/samples/kafka/channel/000-ksvc.yaml
@@ -6,4 +6,4 @@ spec:
   template:
     spec:
       containers:
-      - image: gcr.io/knative-releases/github.com/knative/eventing-contrib/cmd/event_display@sha256:1d6ddc00ab3e43634cd16b342f9663f9739ba09bc037d5dea175dc425a1bb955
+      - image: gcr.io/knative-releases/knative.dev/eventing-contrib/cmd/event_display@sha256:a214514d6ba674d7393ec8448dd272472b2956207acb3f83152d3071f0ab1911
diff --git a/docs/eventing/samples/kafka/channel/README.md b/docs/eventing/samples/kafka/channel/README.md
index d55bd218b..6ed2c224c 100644
--- a/docs/eventing/samples/kafka/channel/README.md
+++ b/docs/eventing/samples/kafka/channel/README.md
@@ -63,6 +63,9 @@ data:
     clusterDefault:
       apiVersion: messaging.knative.dev/v1alpha1
       kind: KafkaChannel
+      spec:
+        numPartitions: 3
+        replicationFactor: 1
 EOF
 ```