diff --git a/fade.ino b/fade.ino
index 599aca1..44de306 100644
--- a/fade.ino
+++ b/fade.ino
@@ -3,15 +3,15 @@ int brightness = 0;    // how bright the LED is
 int fadeAmount = 5;    // how many points to fade the LED by
 
 // the setup routine runs once when you press reset:
-void setup()  { 
+void setup()  {
   // declare pin 9 to be an output:
   pinMode(led, OUTPUT);
-} 
+}
 
 // the loop routine runs over and over again forever:
-void loop()  { 
+void loop()  {
   // set the brightness of pin 9:
-  analogWrite(led, brightness);    
+  analogWrite(led, brightness);
 
   // change the brightness for next time through the loop:
   brightness = brightness + fadeAmount;