diff --git a/LICENSE.writing.txt b/LICENSE.writing.txt
index 90247b3..9d21229 100644
--- a/LICENSE.writing.txt
+++ b/LICENSE.writing.txt
@@ -1 +1 @@
-Except where otherwise noted, this work is licensed under http://creativecommons.org/licenses/by-nd/3.0/
+Except where otherwise noted, this work is licensed under https://creativecommons.org/licenses/by-nd/3.0/