diff --git a/console/commands_as_services.rst b/console/commands_as_services.rst
index 6957cbd4b5d..570bbd381a3 100644
--- a/console/commands_as_services.rst
+++ b/console/commands_as_services.rst
@@ -122,7 +122,7 @@ Or set the ``command`` attribute on the ``console.command`` tag in your service
 
         use AppBundle\Command\SunshineCommand;
 
-        //...
+        // ...
 
         $container
             ->register(SunshineCommand::class)
diff --git a/contributing/code/standards.rst b/contributing/code/standards.rst
index 8b28f2d64a7..50e194ba725 100644
--- a/contributing/code/standards.rst
+++ b/contributing/code/standards.rst
@@ -29,9 +29,7 @@ Symfony Coding Standards in Detail
 If you want to learn about the Symfony coding standards in detail, here's a
 short example containing most features described below:
 
-.. code-block:: html+php
-
-    <?php
+.. code-block:: php
 
     /*
      * This file is part of the Symfony package.
diff --git a/doctrine/repository.rst b/doctrine/repository.rst
index 15c9028bd6f..38432085719 100644
--- a/doctrine/repository.rst
+++ b/doctrine/repository.rst
@@ -25,7 +25,7 @@ To do this, add the repository class name to your entity's mapping definition:
          */
         class Product
         {
-            //...
+            // ...
         }
 
     .. code-block:: yaml
diff --git a/page_creation.rst b/page_creation.rst
index 441b869f170..91a27f9be7f 100644
--- a/page_creation.rst
+++ b/page_creation.rst
@@ -45,7 +45,6 @@ random) number and prints it. To do that, create a "Controller class" and a
 "controller" method inside of it that will be executed when someone goes to
 ``/lucky/number``::
 
-    <?php
     // src/AppBundle/Controller/LuckyController.php
     namespace AppBundle\Controller;
 
diff --git a/service_container/service_subscribers_locators.rst b/service_container/service_subscribers_locators.rst
index 9631d39ce8e..1119479d759 100644
--- a/service_container/service_subscribers_locators.rst
+++ b/service_container/service_subscribers_locators.rst
@@ -356,10 +356,10 @@ will share identical locators amongst all the services referencing them::
 
     public function process(ContainerBuilder $container)
     {
-        //...
+        // ...
 
         $locateableServices = [
-            //...
+            // ...
             'logger' => new Reference('logger'),
         ];