Wiring.md

@@ -10,4 +10,4 @@ You will need to use a Raspberry Pi version 2. Other models or products may work
 
 This is an overview of the cirquit diagram:
 
-![Wiring Overview](https://mygit.th-deg.de/fk16790/SevenSegController/blob/master/doc/Wiring.svg)
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+![Wiring Overview](https://mygit.th-deg.de/fk16790/SevenSegController/raw/master/doc/Wiring.svg)
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