HTTPS links in exampleSite menu-footer

exampleSite/layouts/partials/menu-footer.html

@@ -8,7 +8,7 @@
     <!-- Place this tag where you want the button to render. -->
     <a class="github-button" href="https://github.com/matcornic/hugo-theme-learn/fork" data-icon="octicon-repo-forked" data-show-count="true" aria-label="Fork matcornic/hugo-theme-learn on GitHub">Fork</a>
 
-    <p>Built with <a href="https://github.com/matcornic/hugo-theme-learn"><i class="fas fa-heart"></i></a> from <a href="http://getgrav.org">Grav</a> and <a href="http://gohugo.io/">Hugo</a></p>
+    <p>Built with <a href="https://github.com/matcornic/hugo-theme-learn"><i class="fas fa-heart"></i></a> from <a href="https://getgrav.org">Grav</a> and <a href="https://gohugo.io/">Hugo</a></p>
 </center>
 <!-- Place this tag in your head or just before your close body tag. -->
 <script async defer src="https://buttons.github.io/buttons.js"></script>