diff --git a/docs/examples/grpc/app.yaml b/docs/examples/grpc/app.yaml
index 3c04033e0..1b38fc5a8 100644
--- a/docs/examples/grpc/app.yaml
+++ b/docs/examples/grpc/app.yaml
@@ -7,6 +7,9 @@ metadata:
   namespace: default
 spec:
   replicas: 1
+  selector:
+    matchLabels:
+      k8s-app: fortune-teller-app
   template:
     metadata:
       labels:
@@ -16,5 +19,5 @@ spec:
       - name: fortune-teller-app
         image: quay.io/kubernetes-ingress-controller/grpc-fortune-teller:0.1
         ports:
-        - containerPort: 50051
-          name: grpc
+          - containerPort: 50051
+            name: grpc