setup draw updated

Author: Divyansh013

src/data/examples/en/00_Structure/03_Setup_and_Draw.js

@@ -2,7 +2,8 @@
  * @name Setup and Draw
  * @arialabel Animated horizontal white line on a black background that moves from the bottom to the top of the screen
  * @description The code inside the draw() function runs continuously from top
- * to bottom until the program is stopped.
+ * to bottom until the program is stopped. The
+ * code in setup() is run once when the program starts.
  */
 let y = 100;