diff --git a/help/C/legal.xml b/help/C/legal.xml
index aa36246c7e..93a15e0300 100644
--- a/help/C/legal.xml
+++ b/help/C/legal.xml
@@ -1,8 +1,8 @@
 <license xmlns="http://projectmallard.org/1.0/"
-         href="http://creativecommons.org/licenses/by-sa/3.0/">
+         href="https://creativecommons.org/licenses/by-sa/3.0/">
 
   <p>This work is licensed under a
-  <link href="http://creativecommons.org/licenses/by-sa/3.0/">Creative Commons
+  <link href="https://creativecommons.org/licenses/by-sa/3.0/">Creative Commons
   Attribution-ShareAlike 3.0 Unported License</link>.</p>
 
 </license>