Address PR comments

stable/chronograf/README.md

@@ -12,7 +12,7 @@ $ helm install stable/chronograf --name foo --namespace bar
 
 ## Introduction
 
-This chart bootstraps A Chronograf deployment and service on a Kubernetes cluster using the Helm Package manager.
+This chart bootstraps a Chronograf deployment and service on a Kubernetes cluster using the Helm Package manager.
 
 ## Prerequisites
 

stable/chronograf/templates/NOTES.txt

@@ -22,7 +22,7 @@ To watch for the LoadBalancer IP run the following
 {{- end }}
 {{- if .Values.ingress.enabled }}
 
-Chronograf will be available at the following IP
+Chronograf will be available at the URL:
 
 - http://{{ .Values.ingress.hostname }}
 {{- end -}}
\ No newline at end of file