diff --git a/build/shared/examples/Analog/Smoothing/Smoothing.pde b/build/shared/examples/Analog/Smoothing/Smoothing.pde
index 881bb1317..52ea2e369 100644
--- a/build/shared/examples/Analog/Smoothing/Smoothing.pde
+++ b/build/shared/examples/Analog/Smoothing/Smoothing.pde
@@ -13,6 +13,8 @@
   By David A. Mellis  <dam@mellis.org>
 
   http://www.arduino.cc/en/Tutorial/Smoothing
+  
+  This example code is in the public domain.
 
 
 */