[gnome-user-docs] gnome-help: Replace HTTP with HTTPS link

[Andre Klapper <aklapper src gnome org>]

commit a87f55e3daacda6c5fa3a8384edee4709b2aca08
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Mar 5 20:55:22 2021 +0100

    gnome-help: Replace HTTP with HTTPS link

 gnome-help/C/tips-specialchars.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-help/C/tips-specialchars.page b/gnome-help/C/tips-specialchars.page
index d32ea11a..09092cdf 100644
--- a/gnome-help/C/tips-specialchars.page
+++ b/gnome-help/C/tips-specialchars.page
@@ -105,7 +105,7 @@
       place a macron over that letter, such as <em>ē</em>.</p></item>
     </list>
     <p>For more compose key sequences, see <link
-    href="http://en.wikipedia.org/wiki/Compose_key#Common_compose_combinations";>the
+    href="https://en.wikipedia.org/wiki/Compose_key#Common_compose_combinations";>the
     compose key page on Wikipedia</link>.</p>
   </section>