diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
index f62dfc342..91d4d6ef8 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php
@@ -122,10 +122,17 @@ class AccompanyingPeriod
      *       cascade={"persist", "remove"},
      *       orphanRemoval=true
      *     )
-     * @Groups({"read"})
      */
     private $comments;
 
+    /**
+     * @ORM\ManyToOne(
+     *    targetEntity=Comment::class
+     * )
+     * @Groups({"read"})
+     */
+    private ?Comment $initialComment = null;
+
     /**
      * @var Collection
      *
@@ -210,21 +217,21 @@ class AccompanyingPeriod
 
     /**
      * @var bool
-     * @ORM\Column(type="boolean")
+     * @ORM\Column(type="boolean", options={"default": false} )
      * @Groups({"read", "write"})
      */
     private $requestorAnonymous = false;
 
     /**
      * @var bool
-     * @ORM\Column(type="boolean")
+     * @ORM\Column(type="boolean", options={"default": false} )
      * @Groups({"read", "write"})
      */
     private $emergency = false;
 
     /**
      * @var bool
-     * @ORM\Column(type="boolean")
+     * @ORM\Column(type="boolean", options={"default": false} )
      * @Groups({"read", "write"})
      */
     private $confidential = false;
@@ -264,6 +271,7 @@ class AccompanyingPeriod
         $this->participations = new ArrayCollection();
         $this->scopes = new ArrayCollection();
         $this->socialIssues = new ArrayCollection();
+        $this->comments = new ArrayCollection();
     }
 
     /**
@@ -357,9 +365,14 @@ class AccompanyingPeriod
         return $this->remark;
     }
 
+    /**
+     * @Groups({"read"})
+     */
     public function getComments(): Collection
     {
-        return $this->comments;
+        return $this->comments->filter(function (Comment $c) {
+            return $c !== $this->initialComment;
+        });
     }
 
     public function addComment(Comment $comment): self
@@ -376,6 +389,30 @@ class AccompanyingPeriod
         $this->comments->removeElement($comment);
     }
 
+    /**
+     * @Groups({"write"})
+     */
+    public function setInitialComment(?Comment $comment = null): self
+    {
+        if (NULL === $comment && NULL !== $this->initialComment) {
+            $this->removeComment($this->initialComment);
+        } elseif ($comment instanceof Comment) {
+            $this->addComment($comment);
+        }
+
+        $this->initialComment = $comment;
+
+        return $this;
+    }
+
+    /**
+     * @Groups({"read"})
+     */
+    public function getInitialComment(): ?Comment
+    {
+        return $this->initialComment;
+    }
+
     /**
      * Get Participations Collection
      */
diff --git a/src/Bundle/ChillPersonBundle/Tests/Entity/AccompanyingPeriodTest.php b/src/Bundle/ChillPersonBundle/Tests/Entity/AccompanyingPeriodTest.php
index 7fa11d6e1..b14f5180e 100644
--- a/src/Bundle/ChillPersonBundle/Tests/Entity/AccompanyingPeriodTest.php
+++ b/src/Bundle/ChillPersonBundle/Tests/Entity/AccompanyingPeriodTest.php
@@ -25,6 +25,7 @@ namespace Chill\PersonBundle\Tests\Entity;
 use Chill\PersonBundle\Entity\AccompanyingPeriod;
 use Chill\PersonBundle\Entity\Person;
 use Chill\ThirdPartyBundle\Entity\ThirdParty;
+use Chill\PersonBundle\Entity\AccompanyingPeriod\Comment;
 
 class AccompanyingPeriodTest extends \PHPUnit\Framework\TestCase
 {
@@ -131,4 +132,23 @@ class AccompanyingPeriodTest extends \PHPUnit\Framework\TestCase
         $this->assertNull($period->getRequestorPerson());
         $this->assertNull($period->getRequestor());
     }
+
+    public function testInitialComment()
+    {
+        $period = new AccompanyingPeriod(new \DateTime());
+        $comment = new Comment();
+
+        $period->setInitialComment(NULL);
+        $this->assertNull($period->getInitialComment());
+
+        $period->setInitialComment($comment);
+        $this->assertSame($period->getInitialComment(), $comment);
+        $this->assertSame($period, $comment->getAccompanyingPeriod());
+        $this->assertEquals(0, count($period->getComments()), "The initial comment should not appears in the list of comments");
+
+        $period->setInitialComment(NULL);
+        $this->assertNull($period->getInitialComment());
+        $this->assertNull($comment->getAccompanyingPeriod());
+        $this->assertEquals(0, count($period->getComments()), "The initial comment should not appears in the list of comments");
+    }
 }
diff --git a/src/Bundle/ChillPersonBundle/chill.api.specs.yaml b/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
index 9010686e8..96d039287 100644
--- a/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
+++ b/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
@@ -202,7 +202,7 @@ paths:
     patch:
       tags:
         - person
-      summary: "Return the description for an accompanying course (accompanying period)"
+      summary: "Alter an accompanying course (accompanying period)"
       parameters:
         - name: id
           in: path
@@ -219,6 +219,22 @@ paths:
           application/json:
             schema:
               $ref: '#/components/schemas/AccompanyingPeriod'
+            examples:
+              Set the requestor as anonymous:
+                value:
+                  type: accompanying_period
+                  id: 12345
+                  requestorAnonymous: true
+              Adding an initial comment:
+                value:
+                  type: accompanying_period
+                  id: 2668,
+                  initialComment:
+                    type: accompanying_period_comment
+                    content: >
+                      This is my an initial comment.
+
+                      Say hello to the new "parcours"!
       responses:
         401:
           description: "Unauthorized"
diff --git a/src/Bundle/ChillPersonBundle/migrations/Version20210518162439.php b/src/Bundle/ChillPersonBundle/migrations/Version20210518162439.php
new file mode 100644
index 000000000..6907a64c6
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/migrations/Version20210518162439.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Chill\Migrations\Person;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Add a column "initial comment" in accompanying period
+ */
+final class Version20210518162439 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add a column "initial comment" in accompanying period';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_accompanying_period ADD initialComment_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE chill_person_accompanying_period ADD CONSTRAINT FK_E260A8683111D50B FOREIGN KEY (initialComment_id) REFERENCES chill_person_accompanying_period_comment (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('CREATE INDEX IDX_E260A8683111D50B ON chill_person_accompanying_period (initialComment_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE chill_person_accompanying_period DROP initialComment_id');
+    }
+}