PR review fixes

UPGRADE-1.4.md

@@ -40,6 +40,10 @@ for more details:
     imports:
         - { resource: "services_test.yaml" }
     ```
+* Remove all `__symfony__` prefixes in your Behat services
+* Remove all `<tag name="fob.context_service" />` tags from your Behat services
+* Make your Behat services public by default with `<defaults public="true" />`
+* Change `contexts_services` in your suite definitions to `contexts`
 * If you use our Travis CI configuration, follow [these](https://github.com/Sylius/Sylius-Standard/pull/322/files#diff-354f30a63fb0907d4ad57269548329e3)
 and [these](https://github.com/Sylius/Sylius-Standard/pull/323/files#diff-354f30a63fb0907d4ad57269548329e3) changes introduced in `.travis.yml` file
 
@@ -48,43 +52,25 @@ and [these](https://github.com/Sylius/Sylius-Standard/pull/323/files#diff-354f30
 
 # UPGRADE FROM `v1.2.X` TO `v1.4.0`
 
-The first step is changing your required php version to `^7.2` and then upgrading Sylius with Composer
-
-- `composer require sylius/sylius:~1.4.0`
+Firstly, check out the [Sylius 1.3 upgrade guide](https://github.com/Sylius/Sylius/blob/master/UPGRADE-1.3.md) to update Sylius version step by step.
+To upgrade to Sylius 1.4 follow instructions from [the previous section](https://github.com/Sylius/Sylius/blob/master/UPGRADE-1.4.md#upgrade-from-v13x-to-v140) with following changes:
 
 ### Doctrine migrations
 
-* Change base `AbstractMigration` namespace to `Doctrine\Migrations\AbstractMigration`
-* Add `: void` return types to both `up` and `down` functions
-* Copy [this](https://github.com/Sylius/Sylius-Standard/blob/1.4/src/Migrations/Version20190109095211.php) and [this](https://github.com/Sylius/Sylius-Standard/blob/1.4/src/Migrations/Version20190109160409.php) migration to your migrations folder or run `doctrine:migrations:diff` to generate new migration with changes from **Sylius**
 * Change namespaces of copied migrations to `Sylius\Migrations`
 
----
+### Dotenv
 
-### Behat
+* These changes are not required, but can be done as well, if you've changed application directory structure in `1.2.x` to `1.3` update
 
-If you're using Behat and want to be up-to-date with our configuration, introduce following changes (you can also take a look at [SymfonyExtension UPGRADE file](https://github.com/FriendsOfBehat/SymfonyExtension/blob/master/UPGRADE-2.0.md))
-for more details:
+### Behat
 
-* Update required extensions with `composer require friends-of-behat/symfony-extension:^2.0 friends-of-behat/page-object-extension:^0.3 --dev`
-* Remove extensions that are not needed with `composer remove friends-of-behat/context-service-extension friends-of-behat/cross-container-extension friends-of-behat/service-container-extension --dev`
-* Update your `behat.yml` - look at the diff [here](https://github.com/Sylius/Sylius-Standard/pull/322/files#diff-7bde54db60a6e933518d8b61b929edce)
 * Add `\FriendsOfBehat\SymfonyExtension\Bundle\FriendsOfBehatSymfonyExtensionBundle()` to your bundles lists in `AppKernel.php` (preferably only in `test` environment)
 * Import Sylius Behat services in `app/config/config_test.yml` and your own Behat services as well:
     ```yaml
     imports:
         - { resource: "../../vendor/sylius/sylius/src/Sylius/Behat/Resources/config/services.xml" }
     ```
-* Remove all `__symfony__` prefixes in your Behat services
-* Remove all `<tag name="fob.context_service" />` tags from your Behat services
-* Make your Behat services public by default with `<defaults public="true" />`
-* Change `contexts_services` in your suite definitions to `contexts`
-* If you use our Travis CI configuration, follow [these changes](https://github.com/Sylius/Sylius-Standard/pull/322/files#diff-354f30a63fb0907d4ad57269548329e3) changes introduced in `.travis.yml` file
-
-> BEWARE!
-
-This upgrade sections shows only how to use Sylius 1.4 with your application that was based on Sylius 1.2. We strongly encourage you to switch to Symfony 4 directory structure, which was explained
-in a [proper section in UPGRADE-1.3 file](https://github.com/Sylius/Sylius/blob/master/UPGRADE-1.3.md#directory-structure-change).
 
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