Cut a bit too much from motd.php :)

components/motd.php

@@ -4,6 +4,7 @@ $motd_file = "/etc/motd";
 function decode_entities($text, $quote_style = ENT_COMPAT)
 {
     $text = html_entity_decode($text, $quote_style, 'ISO-8859-1'); // NOTE: UTF-8 does not work!
+    $text = preg_replace('~&ndash\;~i', '-', $text);
     $text = preg_replace_callback('~&#x([0-9a-f]+);~i',
                     function ($matches) {
                         foreach ($matches as $match) {