diff --git a/docs/eventing/samples/helloworld/helloworld-python/README.md b/docs/eventing/samples/helloworld/helloworld-python/README.md
index 30a95c842..c9c5fc6e6 100644
--- a/docs/eventing/samples/helloworld/helloworld-python/README.md
+++ b/docs/eventing/samples/helloworld/helloworld-python/README.md
@@ -86,7 +86,7 @@ cd knative-docs/docs/eventing/samples/helloworld/helloworld-python
     metadata:
       name: knative-samples
       labels:
-           knative-eventing-injection: enabled
+           eventing.knative.dev/injection: enabled
     ---
     # Helloworld-python app deploment
     apiVersion: apps/v1
diff --git a/docs/eventing/samples/helloworld/helloworld-python/sample-app.yaml b/docs/eventing/samples/helloworld/helloworld-python/sample-app.yaml
index 273226dce..ac5df17d5 100644
--- a/docs/eventing/samples/helloworld/helloworld-python/sample-app.yaml
+++ b/docs/eventing/samples/helloworld/helloworld-python/sample-app.yaml
@@ -4,7 +4,7 @@ kind: Namespace
 metadata:
   name: knative-samples
   labels:
-       knative-eventing-injection: enabled
+       eventing.knative.dev/injection: enabled
 ---
 # Helloworld-go app deploment
 apiVersion: apps/v1