Update charts/tidb-cluster/templates/NOTES.txt

Co-Authored-By: cofyc <cofyc.jackson@gmail.com>

charts/tidb-cluster/templates/NOTES.txt

@@ -24,7 +24,7 @@ Cluster access
 * View monitor dashboard for TiDB cluster
    kubectl port-forward -n {{ .Release.Namespace }} svc/{{ template "cluster.name" . }}-grafana 3000:3000
    Open browser at http://localhost:3000. The default username and password is admin/admin.
-   Note that, if you run in remote server, you need to specify server's external IP address.
+   If you are running this from a remote machine, you must specify server's external IP address.
    In gcloud web console, you can user web preview feature, e.g. https://ssh.cloud.google.com/devshell/proxy&port=3000.
    You can refer to https://cloud.google.com/shell/docs/using-web-preview for more details.
 {{- end -}}