Fix forgotten coma

Author: Tiriel

http_client.rst

@@ -735,16 +735,16 @@ Retry over different uris
 .........................
 
 When using a ``RetryableHttpClient``, the ``base_uri`` can be set as an array of
-uris. The array will be used in the given order, meaning that the first request 
-will be made with the first uri in the array. Should it fail, the next one will 
+uris. The array will be used in the given order, meaning that the first request
+will be made with the first uri in the array. Should it fail, the next one will
 be used for the first retry. If the number of configured retries is greater than
 the number of given uris, the last uri will be used for every exceding retry.
 
 You can pass the array of base uris directly to the ``request`` method or when
 creating a HttpClient with the ``withOptions`` method::
 
     use Symfony\Component\HttpClient\RetryableHttpClient;
-    
+
     $client = new RetryableHttpClient(HttpClient::create());
 
     $response = $client->request('GET', 'some-path', [
@@ -764,13 +764,13 @@ creating a HttpClient with the ``withOptions`` method::
 
     $response = $client->request('GET', 'some-path');
 
-If you wish some or all of the base uris to be shuffled, you can pass a nested 
-array inside the ``base_uri`` array. Every uri inside the nested array will be 
-randomized, and the order of the base uris outside this nested array will be 
+If you wish some or all of the base uris to be shuffled, you can pass a nested
+array inside the ``base_uri`` array. Every uri inside the nested array will be
+randomized, and the order of the base uris outside this nested array will be
 preserved::
 
     use Symfony\Component\HttpClient\RetryableHttpClient;
-    
+
     $client = new RetryableHttpClient(HttpClient::create());
 
     $response = $client->request('GET', 'some-path', [
@@ -780,7 +780,7 @@ preserved::
                 // base uri passed inside a nested array will be shuffled
                 'http://example.com/b/',
                 'http://example.com/c/',
-            ]
+            ],
             // the order of the non-nested base uris is preserved
             'http://example.com/d/',
         ],