diff --git a/platformio/projectconftpl.ini b/platformio/projectconftpl.ini
index 6064784f..c258413c 100644
--- a/platformio/projectconftpl.ini
+++ b/platformio/projectconftpl.ini
@@ -1,5 +1,6 @@
 # Copyright (C) Ivan Kravets <me@ikravets.com>
 # See LICENSE for details.
+# https://github.com/ivankravets/platformio/blob/develop/LICENSE
 
 #
 # Project Configuration File