Update README.md

Author: flutter-clutter

README.md

@@ -1,5 +1,7 @@
 # simple_edge_detection
 
+**Note: Substantial parts of the code described here have been created during my working relationship with [Truststone Software GmbH](https://www.truststone-software.com/).**
+
 A Flutter plugin enabling the user to detect edges of a given image. It returns the relative coordinates of the detection rectangle.
 
 ## Demo
@@ -58,4 +60,4 @@ This package uses the OpenCV C++ library version 4.4.0 to perform the detection
 
 ## Tutorial / Infos / Article
 
-Find the respective tutorial about how everything was created and how it's to be used on https://www.flutterclutter.dev/flutter/tutorials/implementing-edge-detection-in-flutter/2020/1509/
+Find the respective tutorial about how everything was created and how it's to be used on https://www.flutterclutter.dev/flutter/tutorials/implementing-edge-detection-in-flutter/2020/1509/