Index: modules/field/field.module
===================================================================
--- modules/field/field.module	(revision 14)
+++ modules/field/field.module	(working copy)
@@ -572,7 +572,7 @@
  *   'view_modes' => array(
  *     // One sub-array per view mode for the entity type:
  *     'full' => array(
- *       'custom_display' => Whether the view mode uses custom display
+ *       'custom_settings' => Whether the view mode uses custom display
  *         settings or settings of the 'default' mode,
  *     ),
  *     'teaser' => ...