diff --git a/mk/PX4/bootloader/README.txt b/mk/PX4/bootloader/README.txt
index e6c65a6aad..c7e7449808 100644
--- a/mk/PX4/bootloader/README.txt
+++ b/mk/PX4/bootloader/README.txt
@@ -10,4 +10,4 @@ bootloaders using:
 from a nsh prompt. Users can get a nsh prompt either via the CLI in
 test -> shell, or by booting with no SD card installed
 
-to use NSH to do this, please see the Wiki http://dev.ardupilot.com/wiki/interfacing-with-pixhawk-using-the-nsh
+to use NSH to do this, please see the Wiki http://dev.ardupilot.org/wiki/interfacing-with-pixhawk-using-the-nsh