Merge branch 'main' into 'main'

Update README.md

See merge request !2

README.md

@@ -25,7 +25,7 @@ List of frequently asked questions:
 
 1. __On which operating systems can opVisualizer be developed?__
 
-opVisualizer is powered by the game engine Unity. Unity also provides a cross-platform IDE for developers that gives you access to all the tools you need for development. The opVisualizer code and logic is written in C# that you can develop in the editor of your choice. Please refer to the [developer guide](https://www.eclipse.org/simopenpass/content/html/index.html) for more information.
+opVisualizer is powered by the game engine Unity. Unity also provides a cross-platform IDE for developers that gives you access to all the tools you need for development. The opVisualizer code and logic is written in C# that you can develop in the editor of your choice. Please refer to the developer guide in the [documentation](https://gitlab.eclipse.org/eclipse/simopenpass/opvisualizer/-/tree/main/Doc/UserDoc) for more information.
 
 2. __On which operating systems does opVisualizer run?__
 
@@ -41,7 +41,7 @@ The visualizer can read any attribute that the simulator outputs and display it
 
 5. __Do I need to adapt the visualizer code to use my own 3D vehicle models or road signals?__
 
-opVisualizer implements an asset loading mechanism that allows you to add your own 3D resources as external files to the application without code adaption. The 3D models must be wrapped in a *Prefab* and compiled into a catalog, that you can distribute along with the opVisualizer. For more information, please see the development guide [here](https://www.eclipse.org/simopenpass/content/html/index.html).
+opVisualizer implements an asset loading mechanism that allows you to add your own 3D resources as external files to the application without code adaption. The 3D models must be wrapped in a *Prefab* and compiled into a catalog, that you can distribute along with the opVisualizer. For more information, please see the development guide in the [documentation](https://gitlab.eclipse.org/eclipse/simopenpass/opvisualizer/-/tree/main/Doc/UserDoc).
 
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