...
diff --git a/coders/html.c b/coders/html.c
index 44317d1..60ad7df 100644
--- a/coders/html.c
+++ b/coders/html.c
@@ -24,7 +24,7 @@
 %  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,          %