Merge branch '5.1'

* 5.1:
  Update http_client.rst

Author: javiereguiluz

http_client.rst

@@ -356,9 +356,9 @@ immediately instead of waiting to receive the response::
     // getting the response headers waits until they arrive
     $contentType = $response->getHeaders()['content-type'][0];
 
-    // trying to get the response contents will block the execution until
-    // the full response contents are received
-    $contents = $response->getContent();
+    // trying to get the response content will block the execution until
+    // the full response content is received
+    $content = $response->getContent();
 
 This component also supports :ref:`streaming responses <http-client-streaming-responses>`
 for full asynchronous applications.
@@ -833,7 +833,7 @@ following methods::
     // gets the response body as a string
     $content = $response->getContent();
 
-    // casts the response JSON contents to a PHP array
+    // casts the response JSON content to a PHP array
     $content = $response->toArray();
 
     // casts the response content to a PHP stream resource
@@ -873,7 +873,7 @@ response sequentially instead of waiting for the entire response::
         throw new \Exception('...');
     }
 
-    // get the response contents in chunk and save them in a file
+    // get the response content in chunks and save them in a file
     // response chunks implement Symfony\Contracts\HttpClient\ChunkInterface
     $fileHandler = fopen('/ubuntu.iso', 'w');
     foreach ($client->stream($response) as $chunk) {