Update build-a-k-nearest-neighbor-model-with-p5js.mdx

Author: sonnynomnom

projects/build-a-k-nearest-neighbor-model-with-p5js/build-a-k-nearest-neighbor-model-with-p5js.mdx

@@ -58,7 +58,9 @@ If you'd like to learn more about Machine Learning models and KNN, check out our
 
 ## Visualization with p5.js
 
-In this project, you're going to build a visual demo of KNN using [p5.js](https://www.codedex.io/p5js), a JavaScript library for creative coding.
+[p5.js](https://www.codedex.io/p5js), a JavaScript library for creative coding, is one of my favorite programming tools, because it allows us to easily visualize complex ideas. When I was a high school computer science teacher, I would use p5.js in my classroom to introduce fundamental machine learning concepts to the students. 
+
+In this project, we'll do exactly that! We'll create a visual demo of a K-Nearest Neighbor machine learning model using p5.js.
 
 Instead of warriors and wizards, our “characters” will simply be red 🔴 and green 🟢 points scattered across a canvas.