Change heading to Amundsen k8s Helm Charts (#185)

amundsen-kube-helm/README.md

-# Amundsen Infrastructure
+# Amundsen k8s Helm Charts
 
 ## What is this?
 This is setup templates for deploying [amundsen](https://github.com/lyft/amundsen) on [k8s (kubernetes)](https://kubernetes.io/), using [helm.](https://helm.sh/) 
@@ -36,4 +36,4 @@ helm install templates/helm/amundsen --values impl/helm/dev/values.yaml
 
 ## Other Notes
 * For aws setup, you will also need to setup the [external-dns plugin](https://github.com/kubernetes-incubator/external-dns)
-* There are exising helm charts for neo4j and elasticsearch. Future versions of amundsen may use them instead. 
+* There are exising helm charts for neo4j and elasticsearch. Future versions of amundsen may use them instead. 
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