Update README.md

Author: janvda

README.md

@@ -9,7 +9,7 @@ This project is actually a proof of concept to demonstrate the following feature
 5. It is possible to run **multiple Node-RED instances** on the same device (see [section 5. Node-RED](#5-node-red)).
 6. It is possible to run **multiple MQTT brokers** on the same device (see [section 6. MQTT brokers](#6-mqtt-broker)).
 7. A **USB memory stick** connected to the pi can be used for storing specific data (in this case it is the influxdb data) (see [section 7. USB memory stick](#7-setup-of-the-usb-memory-stick-for-influxdb)).
-8. It is possible to access the Grafana user interface and the 2 Node-RED editors **over the internet** by enabling the Balena public URL and properly configuring the [nginx](http://nginx.org/en/docs/) container (see [see section 8. Internet Access](#8-internet-access-via-balenas-public-url-and-nginx)).
+8. It is possible to access the Grafana user interface and the 2 Node-RED editors **via the internet** (see [see section 8. Internet Access](#8-internet-access-via-balenas-public-url-and-nginx)).
 
 ## 1. What
 This github repository describes a composite docker application consisting of **"8"** containers that can be deployed through [BalenaCloud](https://www.balena.io/) on any arm device (e.g. a [Raspberry Pi 3 Model B+](https://www.raspberrypi.org/products/raspberry-pi-3-model-b-plus/)) running the [balena OS](https://www.balena.io/os/).