diff --git a/src/Command/ListCommand.php b/src/Command/ListCommand.php
index c1c8d55463088c31ea085561d514fe7d75a496dc..7fc71a2c883756fddc765a0109d21edda10f0844 100644
--- a/src/Command/ListCommand.php
+++ b/src/Command/ListCommand.php
@@ -1,22 +1,31 @@
 <?php declare(strict_types=1);
-/**
- * Copyright (C) 2019 IRSTEA
- * All rights reserved.
+/*
+ * This file is part of "irstea/plantuml-bundle".
+ *
+ * Copyright (C) 2016-2019 IRSTEA
+ *
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
  *
- * @copyright 2019 IRSTEA
- * @author guillaume.perreal
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License and the GNU
+ * Lesser General Public License along with this program. If not, see
+ * <https://www.gnu.org/licenses/>.
  */
 
-
 namespace Irstea\PlantUmlBundle\Command;
 
-
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 
 /**
- * Class ListCommand
+ * Class ListCommand.
  */
 class ListCommand extends Command
 {
@@ -32,6 +41,7 @@ class ListCommand extends Command
 
     /**
      * ListCommand constructor.
+     *
      * @param string[] $graphNames
      */
     public function __construct(array $graphNames)
@@ -41,7 +51,7 @@ class ListCommand extends Command
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function configure()
     {
@@ -51,7 +61,7 @@ class ListCommand extends Command
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
diff --git a/src/Command/RenderCommand.php b/src/Command/RenderCommand.php
index e845b587bcadd72fe2821a3cc6d7cdd52dc497c8..bc35f1cde72f3382fcdc5fb4611d291570a0f155 100644
--- a/src/Command/RenderCommand.php
+++ b/src/Command/RenderCommand.php
@@ -78,13 +78,14 @@ class RenderCommand extends Command
 
     /**
      * RenderCommand constructor.
+     *
      * @param ContainerInterface $container
-     * @param array $graphNames
-     * @param string $defaultFormat
-     * @param string $defaultOutput
-     * @param string $javaBinary
-     * @param string $plantUmlJar
-     * @param string $dotBinary
+     * @param array              $graphNames
+     * @param string             $defaultFormat
+     * @param string             $defaultOutput
+     * @param string             $javaBinary
+     * @param string             $plantUmlJar
+     * @param string             $dotBinary
      */
     public function __construct(ContainerInterface $container, array $graphNames, string $defaultFormat, string $defaultOutput, string $javaBinary, string $plantUmlJar, string $dotBinary)
     {
@@ -99,7 +100,7 @@ class RenderCommand extends Command
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function configure(): void
     {
@@ -112,7 +113,7 @@ class RenderCommand extends Command
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
@@ -176,11 +177,13 @@ class RenderCommand extends Command
     /**
      * @param $target
      * @param $format
+     *
      * @return array
      */
     private function startProcess($target, $format): array
     {
-        $cmd = sprintf('%s -jar %s -graphvizdot %s -pipe -t%s',
+        $cmd = sprintf(
+            '%s -jar %s -graphvizdot %s -pipe -t%s',
             $this->findExecutable($this->javaBinary),
             $this->plantUmlJar,
             $this->findExecutable($this->dotBinary),
@@ -207,6 +210,7 @@ class RenderCommand extends Command
 
     /**
      * @param string $nameOrPath
+     *
      * @return string
      */
     private function findExecutable(string $nameOrPath): string
@@ -219,6 +223,7 @@ class RenderCommand extends Command
         if ($path === null) {
             throw new \RuntimeException("cannot find executable: $nameOrPath");
         }
+
         return $path;
     }
 }
diff --git a/src/Finder/ClassFinder.php b/src/Finder/ClassFinder.php
index 62c32e2cae7bfdf2413257670f6cd56f46f9c3b6..a0b80f08da4b1d244d9dfc63ca4c4ed234684486 100644
--- a/src/Finder/ClassFinder.php
+++ b/src/Finder/ClassFinder.php
@@ -44,6 +44,7 @@ class ClassFinder implements FinderInterface
 
     /**
      * ClassFinder constructor.
+     *
      * @param string[] $directories
      */
     public function __construct(array $directories)
diff --git a/src/Model/Filter/AbstractListFilter.php b/src/Model/Filter/AbstractListFilter.php
index 296d7cd8a5cbb021790dc480ec6bc79a840485f6..27fb001e54705bbc237059f83a7932ab966d11b3 100644
--- a/src/Model/Filter/AbstractListFilter.php
+++ b/src/Model/Filter/AbstractListFilter.php
@@ -40,8 +40,9 @@ abstract class AbstractListFilter implements ClassFilterInterface
 
     /**
      * AbstractListFilter constructor.
+     *
      * @param array $allowed
-     * @param bool $notFound
+     * @param bool  $notFound
      */
     public function __construct(array $allowed, $notFound = false)
     {
@@ -51,6 +52,7 @@ abstract class AbstractListFilter implements ClassFilterInterface
 
     /**
      * @param ReflectionClass $class
+     *
      * @return bool
      */
     public function accept(ReflectionClass $class)
diff --git a/src/Model/Filter/ClassFilter.php b/src/Model/Filter/ClassFilter.php
index 570da3cb1cf1217e835ef86cfd506f52c93a73e0..83a052c7f7261cb1ca65e3c806accbe76627c448 100644
--- a/src/Model/Filter/ClassFilter.php
+++ b/src/Model/Filter/ClassFilter.php
@@ -33,7 +33,7 @@ class ClassFilter extends AbstractListFilter
     public const CONF_TYPE = 'classes';
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function extract(ReflectionClass $class): string
     {
@@ -41,7 +41,7 @@ class ClassFilter extends AbstractListFilter
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function matches($tested, $reference): bool
     {
@@ -49,7 +49,7 @@ class ClassFilter extends AbstractListFilter
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function normalize($className): string
     {
diff --git a/src/Model/Filter/DirectoryFilter.php b/src/Model/Filter/DirectoryFilter.php
index 2f5df2187ce65ca2cd6bed80f8b83a234f50e720..9467170dca89b9398e438f3acfdd5f0554c82473 100644
--- a/src/Model/Filter/DirectoryFilter.php
+++ b/src/Model/Filter/DirectoryFilter.php
@@ -34,7 +34,7 @@ class DirectoryFilter extends AbstractListFilter
     public const CONF_TYPE = 'directories';
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function extract(ReflectionClass $class): string
     {
@@ -42,12 +42,14 @@ class DirectoryFilter extends AbstractListFilter
         if ($filename === false) {
             return '';
         }
+
         return Path::getDirectory($filename);
     }
 
     /**
      * @param mixed $tested
      * @param mixed $reference
+     *
      * @return bool
      */
     protected function matches($tested, $reference): bool
@@ -57,6 +59,7 @@ class DirectoryFilter extends AbstractListFilter
 
     /**
      * @param string $path
+     *
      * @return string
      */
     protected function normalize($path): string
diff --git a/src/Model/Filter/NamespaceFilter.php b/src/Model/Filter/NamespaceFilter.php
index 4e7ccdc66705fddfbd23b9272a26f6b1f96f1801..4d4ddd88e210744733e78ef71c58c24bba4753dd 100644
--- a/src/Model/Filter/NamespaceFilter.php
+++ b/src/Model/Filter/NamespaceFilter.php
@@ -30,7 +30,7 @@ class NamespaceFilter extends AbstractListFilter
     public const CONF_TYPE = 'namespaces';
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function extract(ReflectionClass $class): string
     {
@@ -38,7 +38,7 @@ class NamespaceFilter extends AbstractListFilter
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function matches($tested, $reference): bool
     {
@@ -46,7 +46,7 @@ class NamespaceFilter extends AbstractListFilter
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      */
     protected function normalize($namespace): string
     {
diff --git a/src/Model/Graph.php b/src/Model/Graph.php
index 119696a03a85c2b8e587f85491a78e19475357ec..313f0f61c57a964d8c5e11dcfa270718e41f6163 100644
--- a/src/Model/Graph.php
+++ b/src/Model/Graph.php
@@ -40,8 +40,9 @@ class Graph implements GraphInterface
 
     /**
      * Graph constructor.
+     *
      * @param ClassVisitorInterface $visitor
-     * @param FinderInterface $finder
+     * @param FinderInterface       $finder
      */
     public function __construct(ClassVisitorInterface $visitor, FinderInterface $finder)
     {
@@ -49,9 +50,6 @@ class Graph implements GraphInterface
         $this->finder = $finder;
     }
 
-    /**
-     *
-     */
     public function visitAll(): void
     {
         foreach ($this->finder->getIterator() as $class) {
@@ -61,6 +59,7 @@ class Graph implements GraphInterface
 
     /**
      * @param WriterInterface $writer
+     *
      * @return $this
      */
     public function writeTo(WriterInterface $writer): self