/** @var array List of bookmark's tags */
protected $tags;
- /** @var string Thumbnail's URL - false if no thumbnail could be found */
+ /** @var string|bool|null Thumbnail's URL - initialized at null, false if no thumbnail could be found */
protected $thumbnail;
/** @var bool Set to true if the bookmark is set as sticky */
/**
* Get the Thumbnail.
*
- * @return string|bool|null
+ * @return string|bool|null Thumbnail's URL - initialized at null, false if no thumbnail could be found
*/
public function getThumbnail()
{
/**
* Set the Thumbnail.
*
- * @param string|bool $thumbnail
+ * @param string|bool $thumbnail Thumbnail's URL - false if no thumbnail could be found
*
* @return Bookmark
*/