Fix blue-gree example instructions (argoproj#21)

README.md

@@ -13,7 +13,6 @@ to explore ArgoCD and GitOps!
 | [kustomize2-guestbook](kustomize-guestbook/) | The guestbook application as a Kustomize 2 app |
 | [pre-post-sync](pre-post-sync/) | Demonstrates Argo CD PreSync and PostSync hooks |
 | [helm-dependency](helm-dependency/) | Demonstrates how to customize an OTS (off-the-shelf) helm chart from an upstream repo |
-| [blue-green-deploy](blue-green-deploy/) | Demonstrates an Argo CD Sync hook which performs a blue/green deployment |
 | [sock-shop](sock-shop/) | A microservices demo application (https://microservices-demo.github.io) |
 | [plugins](plugins/) | Applications which demonstrate config management plugins usage |
 | [blue-green](blue-green/) | Demonstrates how to implement blue-green deployment using [Argo Rollouts](https://github.com/argoproj/argo-rollouts)

blue-green/README.md

@@ -24,7 +24,7 @@ The `ks-guestbook-demo:0.2` is still considered `blue` available only via previe
 4. Promote `ks-guestbook-demo:0.2` to `green` by patching `Rollout` resource:
 
 ```
-argocd app patch-resource blue-green --kind Rollout --resource-name blue-green-helm-guestbook --patch '{ "spec": { "paused": false } }' --patch-type 'application/merge-patch+json'
+argocd app patch-resource blue-green --kind Rollout --resource-name blue-green-helm-guestbook --patch '{ "status": { "verifyingPreview": false } }' --patch-type 'application/merge-patch+json'
 ```
 
 This promotes `ks-guestbook-demo:0.2` to `green` status and `Rollout` deletes old replica which runs `ks-guestbook-demo:0.1`.