1) Open up includes/comments.php and delete following line:
<p><?php _e( 'Comments are closed.', 'avia_framework' ); ?></p>
2) Then replace:
echo "<div class='comment_meta_container'>";
echo "<h3 class='miniheading'>".__('Leave a Reply','avia_framework')."</h3>";
echo "<span class='minitext'>".__('Want to join the discussion? <br/>Feel free to contribute!','avia_framework')."</span>";
echo "</div>";
echo "<div class='comment_container'>";
comment_form();
echo "</div>";
with:
if ( comments_open() ) {
echo "<div class='comment_meta_container'>";
echo "<h3 class='miniheading'>".__('Leave a Reply','avia_framework')."</h3>";
echo "<span class='minitext'>".__('Want to join the discussion? <br/>Feel free to contribute!','avia_framework')."</span>";
echo "</div>";
echo "<div class='comment_container'>";
comment_form();
echo "</div>";
}