post.class.php folio description

FIND:
/*generates content for gallery slider when 'clasic' or 'folio' mode is set*/
        static function get_post_gallery_slide($post_id, $size="gallery_format_slider")

IN THIS FUNCTION SEARCH FOR:

 $img_caption = $attachment_info->post_excerpt;

CHANGE IN

$img_caption = $attachment_info->post_content;