Index: captcha/captcha.admin.inc
===================================================================
RCS file: /cvs/drupal/contributions/modules/captcha/captcha.admin.inc,v
retrieving revision 1.4
diff -u -r1.4 captcha.admin.inc
--- captcha/captcha.admin.inc	21 Dec 2007 13:16:33 -0000	1.4
+++ captcha/captcha.admin.inc	7 Jan 2008 10:37:49 -0000
@@ -7,10 +7,10 @@
  * The array is an associative array mapping "$module/$type" to
  * "$module/$type" with $module the module name implementing the CAPTCHA
  * and $type the name of the CAPTCHA type.
- * (It also includes a 'none' => 'none' option)
+ * (It also includes a 'none' => '<none>' option)
  */
 function _captcha_available_challenge_types() {
-  $captcha_types['none'] = 'none';
+  $captcha_types['none'] = '<'. t('none') .'>';
   foreach (module_implements('captcha') as $module) {
     $result = call_user_func_array($module .'_captcha', 'list');
     if (is_array($result)) {