* // Load node.admin.inc from the node module.
* $this->loadInclude('node', 'inc', 'node.admin');
* // Load content_types.inc from the node module.
- * $this->loadInclude('node', 'inc', ''content_types');
+ * $this->loadInclude('node', 'inc', 'content_types');
* @endcode
*
* @param string $module