Update README.md

Author: EmilDohne

README.md

@@ -5,7 +5,7 @@ I have recently found myself batch processing a large amount of data for the pro
 If you are looking to contribute to the codebase please read through [Contributing](#contributing). If you are looking to install the application and use it as is please read [Installation](#installation)
 
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-![GUI Preview](docs/GUI_main.png)
+![GUI Preview](/docs/GUI_Main.png?raw=True)
 
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@@ -51,4 +51,4 @@ To contribute, please follow these rough guidelines:
 
 ## Installation
 
-The Installation of ***RawTherapee Batch*** is quite straightforward and only requires the latest executable found in the [Releases](/releases/latest) section to be stored somewhere locally and executed.
+The Installation of ***RawTherapee Batch*** is quite straightforward and only requires the latest executable found in the [Releases](/releases/latest) section to be stored somewhere locally and executed.