<table width="100%" border="0" cellpadding="1" cellspacing="1">
<tr>
  <td align="left" valign="top">
    <?php echo '<h4>' . get_lang('Assignments help') . '</h4>'; ?>
  </td>  
</tr>
<tr>
  <td>
    <?php echo get_lang('blockAssignmentsHelp'); ?>
  </td>
</tr>
</table>