Update import.rst

add missing space

Author: abdounikarim

service_container/import.rst

@@ -125,7 +125,7 @@ a relative or absolute path to the imported file:
 
         return function(ContainerConfigurator $configurator) {
             $configurator->import('services/mailer.php');
-            //If you want to import a directory, use the next configuration
+            // If you want to import a directory, use the next configuration
             $configurator->import('services/');
 
             $services = $configurator->services()