chore: changes heading

Author: andrea-kyurchiev

layouts/events/list.html

@@ -30,7 +30,7 @@ <h2><a href="{{ default .Permalink .Params.redirect }}"{{ with .Params.target }}
       </div>
       {{ end }}
       <div class="container text-center pb-4 mb-4">
-        <h3 class="display-4">Past Events</h3>
+        <h3 class="display-4">Previous Community Calls</h3>
       </div>
       {{ range where $pages ".Date.Unix" "<" $yesterday }}
       <div class="col-lg-4 col-sm-6 mb-5 event-card">