Merge pull request #1190 from tde908/patch-1

Updated the ingress name.

Author: k8s-ci-robot

docs/guide/ingress/spec.md

@@ -7,7 +7,7 @@ An example ingress, from [example](../../examples/2048/2048-ingress.yaml) is as
 apiVersion: extensions/v1beta1
 kind: Ingress
 metadata:
-  name: "nginx-ingress"
+  name: "2048-ingress"
   namespace: "2048-game"
   annotations:
     kubernetes.io/ingress.class: alb