diff --git a/data/templates/debian/main.html b/data/templates/debian/main.html
index dd1dc6ec..e0fdd0fd 100644
--- a/data/templates/debian/main.html
+++ b/data/templates/debian/main.html
@@ -49,7 +49,7 @@ <h1>More information</h1>
     <p>
       See <a href="https://wiki.debian.org/AppStream">AppStream @ wiki.d.o</a> for information about AppStream integration and usage in Debian.<br/>
       The offical AppStream specification can be found at <a href="http://www.freedesktop.org/software/appstream/docs/">freedesktop.org</a>, a description
-      of the <a href="http://www.freedesktop.org/software/appstream/docs/sect-AppStream-DEP11.html">DEP-11 YAML format</a> is hosted there as well.
+      of the <a href="https://www.freedesktop.org/software/appstream/docs/sect-AppStream-YAML.html">DEP-11 YAML format</a> is hosted there as well.
     </p>
     <p>
       You can find the source-code of the AppStream Generator <a href="https://github.com/ximion/appstream-generator">here</a>.