diff --git a/src/Bundle/ChillActivityBundle/Form/ActivityType.php b/src/Bundle/ChillActivityBundle/Form/ActivityType.php
index 4361158e5..4c767cd54 100644
--- a/src/Bundle/ChillActivityBundle/Form/ActivityType.php
+++ b/src/Bundle/ChillActivityBundle/Form/ActivityType.php
@@ -254,7 +254,7 @@ class ActivityType extends AbstractType
 
         if ($activityType->isVisible('privateComment')) {
             $builder->add('privateComment', PrivateCommentType::class, [
-                'label' => empty($activityType->getLabel('privateComment')) ? 'activity.private comment' : $activityType->getPrivateCommentLabel(),
+                'label' => '' === $activityType->getLabel('privateComment') ? 'private comment' : $activityType->getPrivateCommentLabel(),
                 'required' => false,
             ]);
         }
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig
index 65134a754..8b47f4de2 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/show.html.twig
@@ -147,6 +147,21 @@
                 </dd>
             {% endif %}
 
+            {% if t.privateCommentVisible and is_granted('CHILL_ACTIVITY_SEE_DETAILS', entity) and entity.privateComment.hasCommentForUser(app.user) %}
+                {% if t.privateCommentLabel is not empty %}
+                    <dt class="inline">{{ t.privateCommentLabel }}</dt>
+                {% else %}
+                    <dt class="inline">{{ 'Private comment'|trans }}</dt>
+                {% endif %}
+                <dd>
+                    <section class="chill-entity entity-comment-embeddable">
+                        <blockquote class="chill-user-quote private-quote">
+                            {{ entity.privateComment.comments[userId] }}
+                        </blockquote>
+                    </section>
+                </dd>
+            {% endif %}
+
             {% if t.documentsVisible and is_granted('CHILL_ACTIVITY_SEE_DETAILS', entity) %}
                 <dt class="inline">{{ 'Documents'|trans }}</dt>
                 <dd>
@@ -178,25 +193,6 @@
     </div>
 </div>
 
-{% if t.privateCommentVisible and is_granted('CHILL_ACTIVITY_SEE_DETAILS', entity) and userId in entity.privateComment.comments|keys %}
-<div class="flex-table">
-    <div class="item-bloc">
-        {% if t.privateCommentLabel is not empty %}
-            <dt class="inline">{{ t.privateCommentLabel }}</dt>
-        {% else %}
-            <dt class="inline">{{ 'Private comment'|trans }}</dt>
-        {% endif %}
-        <dd>
-            <section class="chill-entity entity-comment-embeddable">
-                <blockquote class="chill-user-quote private-quote">
-                    {{ entity.privateComment.comments[userId] }}
-                </blockquote>
-            </section>
-        </dd>
-    </div>
-</div>
-{% endif %}
-
 <div class="notification notification-list">
     {% set notifications =  chill_list_notifications('Chill\\ActivityBundle\\Entity\\Activity', entity.id) %}
     {% if notifications is not empty %}
diff --git a/src/Bundle/ChillActivityBundle/migrations/Version20220425133027.php b/src/Bundle/ChillActivityBundle/migrations/Version20220425133027.php
index d5243b259..4a829f18c 100644
--- a/src/Bundle/ChillActivityBundle/migrations/Version20220425133027.php
+++ b/src/Bundle/ChillActivityBundle/migrations/Version20220425133027.php
@@ -14,14 +14,10 @@ namespace Chill\Migrations\Activity;
 use Doctrine\DBAL\Schema\Schema;
 use Doctrine\Migrations\AbstractMigration;
 
-/**
- * Auto-generated Migration: Please modify to your needs!
- */
 final class Version20220425133027 extends AbstractMigration
 {
     public function down(Schema $schema): void
     {
-        // this down() migration is auto-generated, please modify it to your needs
         $this->addSql('ALTER TABLE activitytype DROP privateCommentLabel');
         $this->addSql('ALTER TABLE activitytype DROP privateCommentVisible');
     }
@@ -33,7 +29,6 @@ final class Version20220425133027 extends AbstractMigration
 
     public function up(Schema $schema): void
     {
-        // this up() migration is auto-generated, please modify it to your needs
         $this->addSql('ALTER TABLE activitytype ADD privateCommentLabel VARCHAR(255) DEFAULT \'\' NOT NULL');
         $this->addSql('ALTER TABLE activitytype ADD privateCommentVisible SMALLINT DEFAULT 1 NOT NULL');
     }
diff --git a/src/Bundle/ChillActivityBundle/migrations/Version20220527124438.php b/src/Bundle/ChillActivityBundle/migrations/Version20220527124438.php
new file mode 100644
index 000000000..1ccf3f0b3
--- /dev/null
+++ b/src/Bundle/ChillActivityBundle/migrations/Version20220527124438.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Activity;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20220527124438 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'add private comment to activity';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE activity ADD privateComment_comments JSON DEFAULT \'{}\'');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_accompanying_period_work DROP privateComment_comments');
+    }
+}
diff --git a/src/Bundle/ChillCalendarBundle/migrations/Version20220527124558.php b/src/Bundle/ChillCalendarBundle/migrations/Version20220527124558.php
new file mode 100644
index 000000000..17c53a004
--- /dev/null
+++ b/src/Bundle/ChillCalendarBundle/migrations/Version20220527124558.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Calendar;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20220527124558 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'add private comment to calendar';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_calendar.calendar ADD privateComment_comments JSON DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_calendar.calendar DROP privateComment_comments');
+    }
+}
diff --git a/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml b/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml
index eeb12298f..b7aa2e128 100644
--- a/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml
@@ -26,4 +26,3 @@ The calendar item has been successfully removed.: Le rendez-vous a été supprim
 From the day: Du
 to the day: au
 Transform to activity: Transformer en échange
-private comment: Notes privé
\ No newline at end of file
diff --git a/src/Bundle/ChillMainBundle/Entity/Embeddable/PrivateCommentEmbeddable.php b/src/Bundle/ChillMainBundle/Entity/Embeddable/PrivateCommentEmbeddable.php
index cfca2a86c..e27e906c0 100644
--- a/src/Bundle/ChillMainBundle/Entity/Embeddable/PrivateCommentEmbeddable.php
+++ b/src/Bundle/ChillMainBundle/Entity/Embeddable/PrivateCommentEmbeddable.php
@@ -20,15 +20,22 @@ use Doctrine\ORM\Mapping as ORM;
 class PrivateCommentEmbeddable
 {
     /**
-     * @ORM\Column(type="json", nullable=true)
+     * @ORM\Column(type="json", nullable=false, options={"default": "{}"})
+     * @var array<int, string>
      */
-    private ?array $comments = [];
+    private array $comments = [];
 
     public function getCommentForUser(User $user): string
     {
         return $this->comments[$user->getId()] ?? '';
     }
 
+    public function hasCommentForUser(User $user): bool
+    {
+        return array_key_exists($user->getId(), $this->comments)
+            && "" !== $this->comments[$user->getId()];
+    }
+
     public function getComments(): ?array
     {
         return $this->comments;
@@ -47,7 +54,7 @@ class PrivateCommentEmbeddable
 
     public function setCommentForUser(User $user, string $content): self
     {
-        $this->comments[$user->getId()] = $content;
+        $this->comments[$user->getId()] = trim($content);
 
         return $this;
     }
diff --git a/src/Bundle/ChillMainBundle/Form/Type/PrivateCommentType.php b/src/Bundle/ChillMainBundle/Form/Type/PrivateCommentType.php
index 8ce33face..d4c0d1611 100644
--- a/src/Bundle/ChillMainBundle/Form/Type/PrivateCommentType.php
+++ b/src/Bundle/ChillMainBundle/Form/Type/PrivateCommentType.php
@@ -38,19 +38,15 @@ class PrivateCommentType extends AbstractType
     {
         $builder
             ->add('comments', ChillTextareaType::class, [
-                'label' => 'private comment',
+                'disable_editor' => $options['disable_editor'],
+                'label' => false,
             ])
             ->setDataMapper($this->dataMapper);
     }
 
     public function buildView(FormView $view, FormInterface $form, array $options)
     {
-        $view->vars = array_replace(
-            $view->vars,
-            [
-                'hideLabel' => true,
-            ]
-        );
+        $view->vars['hideLabel'] = true;
     }
 
     public function configureOptions(OptionsResolver $resolver)
diff --git a/src/Bundle/ChillMainBundle/Resources/views/Form/fields.html.twig b/src/Bundle/ChillMainBundle/Resources/views/Form/fields.html.twig
index 1da384920..f45f91692 100644
--- a/src/Bundle/ChillMainBundle/Resources/views/Form/fields.html.twig
+++ b/src/Bundle/ChillMainBundle/Resources/views/Form/fields.html.twig
@@ -198,6 +198,23 @@
     {% endfor %}
 {% endblock %}
 
+
+{% block private_comment_row %}
+    {{ form_label(form) }}
+    {{ form_row(form) }}
+{% endblock %}
+
+{% block private_comment_widget %}
+    {% for entry in form %}
+        {{ form_widget(entry) }}
+    {% endfor %}
+{% endblock %}
+
+{% block comment_row %}
+    {{ form_label(form) }}
+    {{ form_row(form) }}
+{% endblock %}
+
 {% block comment_widget %}
     {% for entry in form %}
         {{ form_widget(entry) }}
diff --git a/src/Bundle/ChillMainBundle/migrations/Version20220426133048.php b/src/Bundle/ChillMainBundle/migrations/Version20220426133048.php
deleted file mode 100644
index 94f866e9b..000000000
--- a/src/Bundle/ChillMainBundle/migrations/Version20220426133048.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-
-/**
- * Chill is a software for social workers
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
-declare(strict_types=1);
-
-namespace Chill\Migrations\Main;
-
-use Doctrine\DBAL\Schema\Schema;
-use Doctrine\Migrations\AbstractMigration;
-
-/**
- * Auto-generated Migration: Please modify to your needs!
- */
-final class Version20220426133048 extends AbstractMigration
-{
-    public function down(Schema $schema): void
-    {
-        // this down() migration is auto-generated, please modify it to your needs
-        $this->addSql('ALTER TABLE chill_person_accompanying_period_work DROP privateComment_comments');
-        $this->addSql('ALTER TABLE activity DROP privateComment_comments');
-        $this->addSql('ALTER TABLE chill_calendar.calendar DROP privateComment_comments');
-    }
-
-    public function getDescription(): string
-    {
-        return 'add private embeddable comment to activity, calendar and accompanyingperiod work';
-    }
-
-    public function up(Schema $schema): void
-    {
-        // this up() migration is auto-generated, please modify it to your needs
-        $this->addSql('ALTER TABLE activity ADD privateComment_comments JSON DEFAULT NULL');
-        $this->addSql('ALTER TABLE chill_calendar.calendar ADD privateComment_comments JSON DEFAULT NULL');
-        $this->addSql('ALTER TABLE chill_person_accompanying_period_work ADD privateComment_comments JSON DEFAULT NULL');
-    }
-}
diff --git a/src/Bundle/ChillMainBundle/translations/messages.fr.yml b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
index e9a5fce4d..db441af6e 100644
--- a/src/Bundle/ChillMainBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
@@ -65,7 +65,7 @@ Read more: Lire la suite
 
 # comment embeddable
 No comment associated: Aucun commentaire
-private comment: Notes privé
+private comment: Notes privées
 
 #pagination
 Previous: Précédent
diff --git a/src/Bundle/ChillPersonBundle/migrations/Version20220527124737.php b/src/Bundle/ChillPersonBundle/migrations/Version20220527124737.php
new file mode 100644
index 000000000..b8f5b1dde
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/migrations/Version20220527124737.php
@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Person;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20220527124737 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'add private comment on accompanying period work';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_accompanying_period_work ADD privateComment_comments JSON DEFAULT \'{}\'');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE activity DROP privateComment_comments');
+    }
+}