Update 15_Noise2D.js

Remove extra * in main comment

Author: takyano

src/data/examples/en/08_Math/15_Noise2D.js

@@ -3,7 +3,6 @@
  * @arialabel Two gradient, perlin noises, one on the left and one on the right
  * @frame 710,400 (optional)
  * @description Create a 2D noise with different parameters.
- *
  */
 
 let noiseVal;
@@ -39,5 +38,5 @@ function draw() {
   textSize(18);
   fill(255, 255, 255);
   text('Noise2D with 2 octaves and 0.2 falloff', 10, 350);
-  text('Noise2D with 1 octaves and 0.7 falloff', 330, 350);
+  text('Noise2D with 5 octaves and 0.5 falloff', 330, 350);
 }