Dear Mister Jonathan, I think you might be one of the best teachers ever (equal best with Wayne Dixon). So it feels rude to point this out..but... It's pronounced: Voh-Roh-Noy:
https://www.howtopronounce.com/voronoi
Having said that the detail and practical aspect of this tutorial in getting you to work with the textures and stuff is really, really helpful!
