Fixes #2335.

framework/widgets/Breadcrumbs.php

@@ -60,7 +60,8 @@ class Breadcrumbs extends Widget
 	 */
 	public $encodeLabels = true;
 	/**
-	 * @var string the first hyperlink in the breadcrumbs (called home link).
+	 * @var array the first hyperlink in the breadcrumbs (called home link).
+	 * Please refer to [[links]] on the format of the link.
 	 * If this property is not set, it will default to a link pointing to [[\yii\web\Application::homeUrl]]
 	 * with the label 'Home'. If this property is false, the home link will not be rendered.
 	 */