corrects the name of the flux namespace (from demo to flux)

site/helm-get-started.md

@@ -72,7 +72,7 @@ kubectl apply -f https://raw.githubusercontent.com/weaveworks/flux/master/deploy
 In this next step you install Weave Flux using `helm`. Simply
 
  1. Fork [flux-get-started](https://github.com/weaveworks/flux-get-started)
-    on Github and replace the `weaveworks` with your GitHub username in 
+    on Github and replace the `weaveworks` with your GitHub username in
     [here](https://github.com/weaveworks/flux-get-started/blob/master/releases/ghost.yaml#L13)
  1. Install Weave Flux and its Helm Operator by specifying your fork URL:
 
@@ -140,7 +140,7 @@ deploying the workloads of `flux-get-started`. After a while you
 will be able to see the Helm releases listed like so:
 
 ```sh
-helm list --namespace demo
+helm list --namespace flux
 ```
 
 ## Committing a small change
@@ -180,7 +180,7 @@ you can see when the change landed in the cluster.
 Confirm the change landed with:
 
 ```sh
-kubectl describe -n demo deployment/mongodb | grep Image
+kubectl describe -n flux deployment/mongodb | grep Image
 ```
 
 ## Conclusion