diff --git a/enrol/authorize/enrol.html b/enrol/authorize/enrol.html
index 42e45af81c0..60bc55f45ef 100755
--- a/enrol/authorize/enrol.html
+++ b/enrol/authorize/enrol.html
@@ -174,6 +174,7 @@ function print_echeck_form($classreference)
     <tr>
       <td align="right"><?php print_string("echeckabacode", "enrol_authorize") ?>: </td>
       <td align="left"><input type="text" name="abacode" size="9" maxlength="9" value="<?php p($form->abacode) ?>" />
+      <?php helpbutton('aba', '', 'enrol/authorize'); ?>
       <?php if (!empty($classreference->authorizeerrors['abacode'])) { formerr($classreference->authorizeerrors['abacode']); } ?></td>
     </tr>
     <tr>