[HttpClient] Apply suggested rewording in review

Author: SirRFI

http_client.rst

@@ -1391,18 +1391,20 @@ Testing
 -------
 
 This component includes the ``MockHttpClient`` and ``MockResponse`` classes to
-use them in tests that shouldn't make actual HTTP requests. Such tests can be
-useful, as they are faster and consistent due to not being dependant on
-external service the request would be sent to. In result there is no need to
-worry about the service being online or the request changing some state,
-for example deleting a resource.
+use in tests that shouldn't make actual HTTP requests. Such tests can be
+useful, as they will run faster and produce consistent results, since they're
+not dependant on an external service. By not making actual HTTP requests there
+is no need to worry about the service being online or the request changing
+state, for example deleting a resource.
 
 ``MockHttpClient`` implements the ``HttpClientInterface``, just like any actual
-HTTP client in this component. You can use the interface to accept real client
-in your code, while replacing it with ``MockHttpClient`` in the test.
+HTTP client in this component. When you typehint with ``HttpClientInterface``
+your code will accept the real client outside tests, while replacing it with
+``MockHttpClient`` in the test.
 
 When the ``request`` method is used on ``MockHttpClient``, it will respond with
-supplied ``MockResponse``. There are few ways to use it, as described below.
+the supplied ``MockResponse``. There are a few ways to use it, as described
+below.
 
 HTTP Client and Responses
 ~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -1468,10 +1470,11 @@ Testing Request Data
 ~~~~~~~~~~~~~~~~~~~~
 
 The examples above describe how to return desired response. What if you wanted
-to also test the request itself? ``MockResponse`` comes with helper methods:
+to also test the request itself? ``MockResponse`` comes with a few helper
+methods:
 
-* ``getRequestMethod()`` - returns HTTP method
-* ``getRequestUrl()`` - returns URL the request would be sent to
+* ``getRequestMethod()`` - returns the HTTP method
+* ``getRequestUrl()`` - returns the URL the request would be sent to
 * ``getRequestOptions()`` - returns an array containing other information about
   the request such as headers, query parameters, body content etc.
 
@@ -1500,7 +1503,7 @@ Example
 ~~~~~~~
 
 The following standalone example demonstrates a way to use HTTP client and
-test it in real application::
+test it in a real application::
 
     // ExternalArticleService.php
     use Symfony\Contracts\HttpClient\HttpClientInterface;