Various documentation fixes [skip ci]

docs/guide-ru/rest-resources.md

@@ -130,7 +130,7 @@ public function extraFields()
 
 Согласно [HATEOAS](http://en.wikipedia.org/wiki/HATEOAS), расшифровывающемуся как Hypermedia as the Engine of Application State,
 RESTful API должны возвращать достаточно информации для того, чтобы клиенты могли определить возможные действия над ресурсами.
-Ключевой момент HATEOAS заключается том, чтобы возвращать вместе с данными набора гиперссылок, указывающих на связанную
+Ключевой момент HATEOAS заключается в том, чтобы возвращать вместе с данными набора гиперссылок, указывающих на связанную
 с ресурсом информацию.
 
 Поддержку HATEOAS в ваши классы ресурсов можно добавить реализовав интерфейс [[yii\web\Linkable]]. Этот интерфейс

docs/guide/output-data-widgets.md

@@ -700,7 +700,7 @@ echo GridView::widget([
 ### Using GridView with Pjax
 
 The [[yii\widgets\Pjax|Pjax]] widget allows you to update a certain section of a
-page instead of reloading the entire page. You can use it to to update only the
+page instead of reloading the entire page. You can use it to update only the
 [[yii\grid\GridView|GridView]] content when using filters.
 
 ```php

docs/guide/output-pagination.md

@@ -10,8 +10,7 @@ Yii uses a [[yii\data\Pagination]] object to represent the information about a p
   is usually much more than the number of data items needed to display on a single page.
 * [[yii\data\Pagination::$pageSize|page size]] specifies how many data items each page contains. The default
   value is 20.
-* [[yii\data\Pagination::$page|current page]] gives the current page number (zero-based). The default value
+* [[yii\data\Pagination::$page|current page]] gives the current page number (zero-based). The default value is 0, meaning the first page.
-  value is 0, meaning the first page.
 
 With a fully specified [[yii\data\Pagination]] object, you can retrieve and display data partially. For example,
 if you are fetching data from a database, you can specify the `OFFSET` and `LIMIT` clause of the DB query with

docs/guide/rest-controllers.md

@@ -77,7 +77,7 @@ public function behaviors()
 
 ### CORS <span id="cors"></span>
 
-Adding the [Cross Origin Resource Sharing](structure-filters.md#cors) filter to a controller is a bit more complicated
+Adding the [Cross-Origin Resource Sharing](structure-filters.md#cors) filter to a controller is a bit more complicated
 than adding other filters described above, because the CORS filter has to be applied before authentication methods
 and thus needs a slightly different approach compared to other filters. Also authentication has to be disabled for the
 [CORS Preflight requests](https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS#Preflighted_requests)

docs/guide/rest-error-handling.md

@@ -24,7 +24,7 @@ Content-Type: application/json; charset=UTF-8
 }
 ```
 
-The following list summarizes the HTTP status code that are used by the Yii REST framework:
+The following list summarizes the HTTP status codes that are used by the Yii REST framework:
 
 * `200`: OK. Everything worked as expected.
 * `201`: A resource was successfully created in response to a `POST` request. The `Location` header

docs/guide/rest-resources.md

@@ -137,7 +137,7 @@ the request with `http://localhost/users?fields=id,email&expand=profile` may ret
 ## Links <span id="links"></span>
 
 [HATEOAS](http://en.wikipedia.org/wiki/HATEOAS), an abbreviation for Hypermedia as the Engine of Application State,
-promotes that RESTful APIs should return information that allow clients to discover actions supported for the returned
+promotes that RESTful APIs should return information that allows clients to discover actions supported for the returned
 resources. The key of HATEOAS is to return a set of hyperlinks with relation information when resource data are served
 by the APIs.
 

docs/guide/runtime-requests.md

@@ -60,7 +60,7 @@ $param = $request->getBodyParam('id');
 ## Request Methods <span id="request-methods"></span>
 
 You can get the HTTP method used by the current request via the expression `Yii::$app->request->method`.
-A whole set of boolean properties are also provided for you to check if the current method is of certain type.
+A whole set of boolean properties is also provided for you to check if the current method is of certain type.
 For example,
 
 ```php