small spacing fix

Author: johndoh

download/index.html

@@ -41,7 +41,7 @@ <h2 id="{{ id }}">{{ params.title }} <a class="anchor" href="#{{ id }}" aria-lab
     </div>
 {% endfor %}
 
-<p id="fn1" class="text-body-secondary">1. Dependent packages only contain sources which are licensed under the GPL but they require some third-party
+<p id="fn1" class="text-body-secondary mt-4">1. Dependent packages only contain sources which are licensed under the GPL but they require some third-party
     packages to be installed along with Roundcube. All requirements are listed in the INSTALL instructions within the package file.</p>
 
 <h2 id="sources">Other sources and downloads <a class="anchor" href="#sources" aria-label="Link to this section: Other sources and downloads"></a></h2>