diff --git a/src/Controller/PostController.php b/src/Controller/PostController.php
index 5be66b8..3fea0c4 100644
--- a/src/Controller/PostController.php
+++ b/src/Controller/PostController.php
@@ -18,8 +18,14 @@ use Symfony\Component\Security\Http\Attribute\IsGranted;
 use Symfony\UX\Turbo\TurboBundle;
 use Symfony\Component\HttpFoundation\JsonResponse;
 
+/**
+ * CRUD on posts and comments.
+ */
 class PostController extends AbstractController
 {
+    /**
+     * The number of item on a page for the pagination.
+     */
     private const POSTS_PER_PAGE = 10;
 
     #[Route('/', name: 'app_posts')]
@@ -36,7 +42,7 @@ class PostController extends AbstractController
     }
 
     #[Route('/posts', name: 'app_post_index', methods: ['GET'])]
-    public function table(PostRepository $repository): Response
+    public function table(): Response
     {
         return $this->redirectToRoute('app_posts', [], Response::HTTP_SEE_OTHER);
     }
diff --git a/src/DataFixtures/AppFixtures.php b/src/DataFixtures/AppFixtures.php
index 6bff9e2..dbac25c 100644
--- a/src/DataFixtures/AppFixtures.php
+++ b/src/DataFixtures/AppFixtures.php
@@ -10,6 +10,9 @@ use Doctrine\Bundle\FixturesBundle\Fixture;
 use Doctrine\Persistence\ObjectManager;
 use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
 
+/**
+ * Creates fake data for testing purposes.
+ */
 class AppFixtures extends Fixture
 {
     public function __construct(
@@ -20,10 +23,12 @@ class AppFixtures extends Fixture
 
     public function load(ObjectManager $manager): void
     {
+        // Dummy user
         $user = (new User())->setEmail('test@test.fr');
         $user->setPassword($this->passwordHasher->hashPassword($user, 'password'));
         $manager->persist($user);
 
+        // Posts and their species
         $faker = \Faker\Factory::create();
         for ($i = 0; $i < 20; ++$i) {
             $name = $faker->name();
diff --git a/src/EventListener/LocaleListener.php b/src/EventListener/LocaleListener.php
index 6a56c8c..4d3b636 100644
--- a/src/EventListener/LocaleListener.php
+++ b/src/EventListener/LocaleListener.php
@@ -7,6 +7,9 @@ use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\Translation\LocaleSwitcher;
 
+/**
+ * Reads the locale from the user session and change it for every request.
+ */
 final readonly class LocaleListener
 {
     public function __construct(private LocaleSwitcher $localeSwitcher)
diff --git a/src/Security/Voter/CommentVoter.php b/src/Security/Voter/CommentVoter.php
index 8761145..34b1686 100644
--- a/src/Security/Voter/CommentVoter.php
+++ b/src/Security/Voter/CommentVoter.php
@@ -6,6 +6,9 @@ use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Authorization\Voter\Voter;
 use Symfony\Component\Security\Core\User\UserInterface;
 
+/**
+ * Only allow admins or comment owners to edit their comments.
+ */
 class CommentVoter extends Voter
 {
     public const EDIT = 'COMMENT_EDIT';
diff --git a/src/Service/ImageSafetyServiceInterface.php b/src/Service/ImageSafetyServiceInterface.php
index 5c722b1..8922056 100644
--- a/src/Service/ImageSafetyServiceInterface.php
+++ b/src/Service/ImageSafetyServiceInterface.php
@@ -4,6 +4,9 @@ namespace App\Service;
 
 use Symfony\Component\HttpFoundation\File\File;
 
+/**
+ * Ensures that an image is safe.
+ */
 interface ImageSafetyServiceInterface
 {
     public function isValid(File $file): bool;
diff --git a/src/State/UserPasswordHasher.php b/src/State/UserPasswordHasher.php
index 0fc91be..c1b2450 100644
--- a/src/State/UserPasswordHasher.php
+++ b/src/State/UserPasswordHasher.php
@@ -8,6 +8,8 @@ use App\Entity\User;
 use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
 
 /**
+ * Hashes plain text password in the API.
+ *
  * @implements ProcessorInterface<User, User>
  */
 final readonly class UserPasswordHasher implements ProcessorInterface
diff --git a/templates/comment/comment.html.twig b/templates/comment/comment.html.twig
index 14458c2..1b65c54 100644
--- a/templates/comment/comment.html.twig
+++ b/templates/comment/comment.html.twig
@@ -2,9 +2,9 @@
     <div class="card">
         <div class="card-body">
             <h5 class="card-title">
-                {{ comment.author.email }} le {{ comment.createdAt | date }}
+                {{ 'commented_at'|trans({ email: comment.author.email, date: comment.createdAt|date }) }}
                 {% if comment.createdAt != comment.editedAt %}
-                    (modifié le {{ comment.editedAt | date }})
+                    {{ 'edited_at'|trans({ date: comment.editedAt|date }) }}
                 {% endif %}
             </h5>
             <p class="card-text">{{ comment.content }}</p>
diff --git a/translations/messages.en.xlf b/translations/messages.en.xlf
index 587e1f6..488265e 100644
--- a/translations/messages.en.xlf
+++ b/translations/messages.en.xlf
@@ -161,6 +161,14 @@
         <source>save</source>
         <target>Save</target>
       </trans-unit>
+      <trans-unit id="zdhzvdha" resname="commented_at">
+        <source>commented_at</source>
+        <target>email on date</target>
+      </trans-unit>
+      <trans-unit id="zdhzvdht" resname="edited_at">
+        <source>edited_at</source>
+        <target>edited on date</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>
diff --git a/translations/messages.fr.xlf b/translations/messages.fr.xlf
index 72ebfe4..d716bfc 100644
--- a/translations/messages.fr.xlf
+++ b/translations/messages.fr.xlf
@@ -161,6 +161,14 @@
         <source>save</source>
         <target>Sauvegarder</target>
       </trans-unit>
+      <trans-unit id="zdhzvdha" resname="commented_at">
+        <source>commented_at</source>
+        <target>email le date</target>
+      </trans-unit>
+      <trans-unit id="zdhzvdht" resname="edited_at">
+        <source>edited_at</source>
+        <target>édité le date</target>
+      </trans-unit>
     </body>
   </file>
 </xliff>