diff --git a/p5/sketch.js b/p5/sketch.js
index b1dce34..e5bca75 100644
--- a/p5/sketch.js
+++ b/p5/sketch.js
@@ -5,6 +5,8 @@
 // https://thecodingtrain.com/learning/nature-of-code/2.5-gravitational-attraction.html
 // https://editor.p5js.org/codingtrain/sketches/MkLraatd
 
+p5.disableFriendlyErrors = true;
+
 let movers = [];
 let attractor;
 var canvas;
@@ -38,7 +40,7 @@ function setup() {
 }
 
 function draw() {
-  background(0, 75);
+  background(0, 25);
   for (let mover of movers) {
     mover.mouse_mass();
     for (let other of movers) {