Fix broken link

Author: iHiD

app/views/layouts/_cta_footer.html.haml

@@ -8,4 +8,4 @@
         =succeed('.') do
           %strong 100% free forever
       =link_to "Sign up", new_user_registration_path, class: "pure-button sign-up-button"
-      =link_to "Explore languages", "#explore-languages", class: "pure-button languages-button"
+      =link_to "Learn More", root_path, class: "pure-button languages-button"