Fix some style and comments, improve README

README.md

@@ -1,7 +1,7 @@
 Davis
 ---
 
-A simple, fully translatable admin interface for `sabre/dav` based on Symfony 4.
+A simple, fully translatable admin interface for `sabre/dav` based on [Symfony 4](https://symfony.com/) and [Bootstrap 4](https://getbootstrap.com/), largely inspired by [Baïkal](https://github.com/sabre-io/Baikal).
 
 # Requirements
 

src/Controller/DAVController.php

@@ -60,18 +60,13 @@ class DAVController extends AbstractController
     {
         $pdo = $this->get('doctrine')->getEntityManager()->getConnection()->getWrappedConnection();
 
-        // $pdo = new \PDO('sqlite:data/db.sqlite');
-        // $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-
         /**
-         * The backends. Yes we do really need all of them.
-         *
-         * This allows any developer to subclass just any of them and hook into their
-         * own backend systems.
+         * The backends.
          */
         $authBackend = new \Sabre\DAV\Auth\Backend\PDO($pdo);
         $authBackend->setRealm($this->authRealm);
         $principalBackend = new \Sabre\DAVACL\PrincipalBackend\PDO($pdo);
+
         /**
          * The directory tree.
          *

src/Form/UserType.php

@@ -18,8 +18,8 @@ class UserType extends AbstractType
     {
         $builder
             ->add('username', TextType::class, [
-                'disabled' => !$options['new'],
                 'label' => 'form.username',
+                'disabled' => !$options['new'],
                 'help' => 'form.username.help',
             ])
             ->add('displayName', TextType::class, [