Merge pull request #679 from arduino/karlsoderby/alexa-fix-2

Update video link Alexa

Author: karlsoderby

content/arduino-cloud/03.tutorials/alexa-mkr-rgb-shield/alexa-mkr-rgb-shield.md

@@ -12,7 +12,7 @@ featuredImage: 'cloud'
 
 ## Introduction
 
-<iframe width="100%" height="400" src="https://www.youtube.com/watch?v=OMvZjwFYimo" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+<iframe width="100%" height="400" src="https://www.youtube.com/embed/OMvZjwFYimo" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
 In this tutorial you will learn how to integrate the [Arduino IoT Cloud](https://create.arduino.cc/iot/) with the [Amazon Alexa skill](https://www.amazon.com/Arduino-LLC/dp/B07ZT2PK2H). At the end of this tutorial, we will be able to change the color of an  RGB matrix, using only voice commands in the Alexa app.