link "make it executable" to a nice video

README.md

@@ -21,4 +21,4 @@ After installing AppImageLauncher, you can simply Double-Click on the Pling-Stor
 
 # Manual Run
 
-To try the Pling-Store without installing, you can simply make it exectuable and (double-)click on it. 
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+To try the Pling-Store without installing, you can simply [make it executable](https://youtu.be/nzZ6Ikc7juw?t=78) and (double-)click on it. 
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