Use proper heading for Former Fellows title

Author: ManshaAgarwal716

djangoproject/templates/fundraising/index.html

@@ -302,7 +302,7 @@ <h2 id="who-are-the-django-fellows">{% translate "Who are the Django Fellows?" %
         {% endblocktranslate %}
       </p>
 
-      <p>{% translate "Former Django Fellows:" %}</p>
+      <h3>{% translate "Former Django Fellows:" %}</h3>
 
       <p>
         {% blocktranslate trimmed %}