Update configuration.rst

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3
| Fixed tickets |

Author: ifdattic

cookbook/bundles/configuration.rst

@@ -384,7 +384,8 @@ Assume the XSD file is called ``hello-1.0.xsd``, the schema location will be
     <container xmlns="http://symfony.com/schema/dic/services"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:acme-hello="http://acme_company.com/schema/dic/hello"
-        xsi:schemaLocation="http://acme_company.com/schema/dic/hello http://acme_company.com/schema/dic/hello/hello-1.0.xsd">
+        xsi:schemaLocation="http://acme_company.com/schema/dic/hello
+            http://acme_company.com/schema/dic/hello/hello-1.0.xsd">
 
         <acme-hello:config>
             <!-- ... -->