diff --git a/AntennaTracker/Tracker.cpp b/AntennaTracker/Tracker.cpp
index 9eed1aecea..69eb400793 100644
--- a/AntennaTracker/Tracker.cpp
+++ b/AntennaTracker/Tracker.cpp
@@ -1,7 +1,7 @@
 /*
    Lead developers: Matthew Ridley and Andrew Tridgell
  
-   Please contribute your ideas! See http://dev.ardupilot.org for details
+   Please contribute your ideas! See https://dev.ardupilot.org for details
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
diff --git a/AntennaTracker/Tracker.h b/AntennaTracker/Tracker.h
index c1275f661f..0c0ae18f4f 100644
--- a/AntennaTracker/Tracker.h
+++ b/AntennaTracker/Tracker.h
@@ -1,7 +1,7 @@
 /*
    Lead developers: Matthew Ridley and Andrew Tridgell
 
-   Please contribute your ideas! See http://dev.ardupilot.org for details
+   Please contribute your ideas! See https://dev.ardupilot.org for details
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by