...
diff --git a/coders/debug.c b/coders/debug.c
index f76bbbd..5ce5021 100644
--- a/coders/debug.c
+++ b/coders/debug.c
@@ -23,7 +23,7 @@
% You may not use this file except in compliance with the License. You may %
% obtain a copy of the License at %
% %
-% http://www.imagemagick.org/script/license.php %
+% https://www.imagemagick.org/script/license.php %
% %
% Unless required by applicable law or agreed to in writing, software %
% distributed under the License is distributed on an "AS IS" BASIS, %