commit 9ecd7f4318cdb24092388a2f14d7e4820bf460f9
Author: gnuget <gnuget@992990.no-reply.drupal.org>
Date:   Wed May 1 20:58:08 2013 -0500

    http://drupal.org/node/1898434#comment-7366482

diff --git a/core/modules/options/options.api.php b/core/modules/options/options.api.php
index fdd5272..3031463 100644
--- a/core/modules/options/options.api.php
+++ b/core/modules/options/options.api.php
@@ -75,8 +75,9 @@ function hook_options_list($field, $instance, $entity) {
  * This hook can notably be used to change the label of the empty option.
  *
  * @param array $options
- *   The array of options for the field, as returned by hook_options_list(). A
- *   empty option might have been added, depending on the field properties.
+ *   The array of options for the field, as returned by hook_options_list(). An
+ *   empty option (_none) might have been added, depending on the field
+ *   properties.
  *
  * @param array $context
  *   An associative array containing: