doc fix.

framework/yii/base/Application.php

@@ -31,7 +31,8 @@ use yii\web\HttpException;
  * @property \yii\web\UrlManager $urlManager The URL manager for this application. This property is read-only.
  * @property string $vendorPath The directory that stores vendor files. Defaults to "vendor" directory under
  * [[basePath]].
- * @property View $view The view object that is used to render various view files. This property is read-only.
+ * @property View|\yii\web\View $view The view object that is used to render various view files. This property
+ * is read-only.
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0

framework/yii/db/ActiveRelation.php

@@ -20,9 +20,6 @@ namespace yii\db;
  *
  * If a relation involves a pivot table, it may be specified by [[via()]] or [[viaTable()]] method.
  *
- * @property array|ActiveRelation $via the query associated with the pivot table. Please call [[via()]]
- * or [[viaTable()]] to set this property instead of directly setting it.
- *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @author Carsten Brandt <mail@cebe.cc>
  * @since 2.0

framework/yii/web/Request.php

@@ -35,7 +35,6 @@ use yii\helpers\Security;
  * @property string $csrfTokenFromHeader The CSRF token sent via [[CSRF_HEADER]] by browser. Null is returned
  * if no such header is sent. This property is read-only.
  * @property array $delete The DELETE request parameter values. This property is read-only.
- * @property array $get The GET request parameter values. This property is read-only.
  * @property string $hostInfo Schema and hostname part (with port number if needed) of the request URL (e.g.
  * `http://www.yiiframework.com`).
  * @property boolean $isAjax Whether this is an AJAX (XMLHttpRequest) request. This property is read-only.

framework/yii/web/Session.php

@@ -46,7 +46,7 @@ use yii\base\InvalidParamException;
  * call methods such as [[setFlash()]], [[getFlash()]].
  *
  * @property array $allFlashes Flash messages (key => message). This property is read-only.
- * @property array $cookieParams The session cookie parameters.
+ * @property array $cookieParams The session cookie parameters. This property is read-only.
  * @property integer $count The number of session variables. This property is read-only.
  * @property string $flash The key identifying the flash message. Note that flash messages and normal session
  * variables share the same name space. If you have a normal session variable using the same name, its value will