diff --git a/hardware/arduino/boards.txt b/hardware/arduino/boards.txt
index 018a7fa31..7b719de63 100644
--- a/hardware/arduino/boards.txt
+++ b/hardware/arduino/boards.txt
@@ -1,3 +1,5 @@
+# See: http://code.google.com/p/arduino/wiki/Platforms
+
 ##############################################################
 
 uno.name=Arduino Uno
diff --git a/hardware/arduino/programmers.txt b/hardware/arduino/programmers.txt
index 02457d908..43e8d95d5 100644
--- a/hardware/arduino/programmers.txt
+++ b/hardware/arduino/programmers.txt
@@ -1,3 +1,5 @@
+# See: http://code.google.com/p/arduino/wiki/Platforms
+
 avrisp.name=AVR ISP
 avrisp.communication=serial
 avrisp.protocol=stk500v1