updated readme

README.md

@@ -62,11 +62,11 @@ For further background information, head to [Neural Networks](https://www.heise.
 The latest available version can be found on the [Releases page](https://github.com/jomjol/AI-on-the-edge-device/releases).
 
 ### Flashing the ESP32
-Initially you will have to flash the ESP32 via a USB connection. Later updates are possible directly over the air (OTA).
+Initially you will have to flash the ESP32 via a USB connection. Later updates are possible directly over the air (OTA using WIFI).
 
 There are different ways to flash your ESP32:
 - The prefered way is the [Web Installer and Console](https://jomjol.github.io/AI-on-the-edge-device/index.html) which is a browser-based tool to flash the ESP32 and extract the log over USB:
-![]
+![](images/web-installer.png)
 - Flash Tool from Espressif
 - ESPtool (command-line tool)