diff --git a/build/shared/examples/Analog/Calibration/Calibration.pde b/build/shared/examples/Analog/Calibration/Calibration.pde
index 52c8d8d61..fb67d4ebf 100644
--- a/build/shared/examples/Analog/Calibration/Calibration.pde
+++ b/build/shared/examples/Analog/Calibration/Calibration.pde
@@ -22,6 +22,8 @@
  
  http://arduino.cc/en/Tutorial/Calibration
  
+ This example code is in the public domain.
+ 
  */
 
 // These constants won't change: