diff --git a/build/shared/examples/Digital/StateChangeDetection/StateChangeDetection.pde b/build/shared/examples/Digital/StateChangeDetection/StateChangeDetection.pde
index 607dfc960..d6458934a 100644
--- a/build/shared/examples/Digital/StateChangeDetection/StateChangeDetection.pde
+++ b/build/shared/examples/Digital/StateChangeDetection/StateChangeDetection.pde
@@ -18,6 +18,8 @@
  created  27 Sep 2005
  modified 30 Dec 2009
  by Tom Igoe
+
+This example code is in the public domain.
  	
  http://arduino.cc/en/Tutorial/ButtonStateChange