chart: ingress-nginx update version
diff --git a/charts/ingress-nginx/templates/NOTES.txt b/charts/ingress-nginx/templates/NOTES.txt
index 03ece9c..9fe35c7 100644
--- a/charts/ingress-nginx/templates/NOTES.txt
+++ b/charts/ingress-nginx/templates/NOTES.txt
@@ -29,27 +29,36 @@
 
 An example Ingress that makes use of the controller:
 
+{{- $isV1 := semverCompare ">=1" .Chart.AppVersion}}
   apiVersion: networking.k8s.io/v1
   kind: Ingress
   metadata:
-    annotations:
-      kubernetes.io/ingress.class: {{ .Values.controller.ingressClassResource.name }}
     name: example
     namespace: foo
+    {{- if eq $isV1 false }}
+    annotations:
+      kubernetes.io/ingress.class: {{ .Values.controller.ingressClass }}
+    {{- end }}
   spec:
+    {{- if $isV1 }}
+    ingressClassName: {{ .Values.controller.ingressClassResource.name }}
+    {{- end }}
     rules:
       - host: www.example.com
         http:
           paths:
-            - backend:
-                serviceName: exampleService
-                servicePort: 80
+            - pathType: Prefix
+              backend:
+                service:
+                  name: exampleService
+                  port:
+                    number: 80
               path: /
     # This section is only required if TLS is to be enabled for the Ingress
     tls:
-        - hosts:
-            - www.example.com
-          secretName: example-tls
+      - hosts:
+        - www.example.com
+        secretName: example-tls
 
 If TLS is enabled for the Ingress, a Secret containing the certificate and key must also be provided:
 
@@ -62,10 +71,3 @@
     tls.crt: <base64 encoded cert>
     tls.key: <base64 encoded key>
   type: kubernetes.io/tls
-
-{{- if .Values.controller.headers }}
-#################################################################################
-######   WARNING: `controller.headers` has been deprecated!                 #####
-######            It has been renamed to `controller.proxySetHeaders`.      #####
-#################################################################################
-{{- end }}