diff --git a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
index 000720a7f..c8061195b 100644
--- a/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
+++ b/src/Bundle/ChillPersonBundle/DependencyInjection/ChillPersonExtension.php
@@ -413,6 +413,25 @@ class ChillPersonExtension extends Extension implements PrependExtensionInterfac
                         ],
                     ],
                 ],
+                [
+                    'class' => \Chill\PersonBundle\Entity\AccompanyingPeriod\Resource::class,
+                    'name' => 'accompanying_period_resource',
+                    'base_path' => '/api/1.0/person/accompanying-period/resource',
+                    'base_role' => 'ROLE_USER',
+                    'actions' => [
+                        '_entity' => [
+                            'methods' => [
+                                Request::METHOD_GET => false,
+                                Request::METHOD_PATCH => true,
+                                Request::METHOD_HEAD => false,
+                                Request::METHOD_DELETE => false,
+                            ],
+                            'roles' => [
+                                //Request::METHOD_PATCH => \Chill\PersonBundle\Security\Authorization\AccompanyingPeriodVoter::SEE
+                            ],
+                        ],
+                    ],
+                ],
                 [
                     'class' => \Chill\PersonBundle\Entity\AccompanyingPeriod\Origin::class,
                     'name' => 'accompanying_period_origin',
diff --git a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Resource.php b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Resource.php
index c7285a7b0..51ed4bb63 100644
--- a/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Resource.php
+++ b/src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Resource.php
@@ -47,7 +47,7 @@ class Resource
      * @ORM\Column(type="text", nullable=true)
      * @Groups({"read", "write"})
      */
-    private string $comment = '';
+    private ?string $comment = '';
 
     /**
      * @ORM\Id
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
index d092adb0b..2acf3b749 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js
@@ -353,6 +353,23 @@ let initPromise = Promise.all([scopesPromise, accompanyingCoursePromise])
                      throw error;
                   })
             },
+            patchResource({ commit }, payload) {
+               const body = { type: "accompanying_period_resource" };
+               body['resource'] = {
+                  type: payload.result.type,
+                  id: payload.result.id
+               };
+               const url = `/api/1.0/person/accompanying-course/resource/${id}.json`;
+
+               return makeFetch('PATCH', url, body)
+                   .then((response) => {
+                      commit('patchResource', response);
+                   })
+                   .catch((error) => {
+                      commit('catchError', error);
+                      throw error;
+                   })
+            },
             /**
              * On The Fly
              */
diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodResourceNormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodResourceNormalizer.php
index cb883542a..bcce13321 100644
--- a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodResourceNormalizer.php
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodResourceNormalizer.php
@@ -38,6 +38,15 @@ class AccompanyingPeriodResourceNormalizer implements DenormalizerAwareInterface
         $this->repository = $repository;
     }
 
+    public function normalize($resource, $format = null, array $context = [])
+    {
+        return [
+            'type' => 'accompanying_period_resource',
+            'id' => $resource->getId(),
+            'comment' => $resource->getComment()
+        ];
+    }
+
     public function denormalize($data, $type, $format = null, array $context = [])
     {
         $resource = $this->extractObjectToPopulate($type, $context);
diff --git a/src/Bundle/ChillPersonBundle/chill.api.specs.yaml b/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
index 218904e5e..90228492c 100644
--- a/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
+++ b/src/Bundle/ChillPersonBundle/chill.api.specs.yaml
@@ -752,7 +752,6 @@ paths:
                   resource:
                     type: thirdparty
                     id: 100
-
       responses:
         401:
           description: "Unauthorized"
@@ -1234,6 +1233,54 @@ paths:
         404:
           description: "Not found"
 
+  /1.0/person/accompanying-period/resource/{id}.json:
+    patch:
+      tags:
+        - accompanying-course-resource
+      summary: "Alter the resource"
+      parameters:
+        - name: id
+          in: path
+          required: true
+          description: The resource's id
+          schema:
+            type: integer
+            format: integer
+            minimum: 1
+      requestBody:
+        description: "A resource"
+        required: true
+        content:
+          application/json:
+            schema:
+              type: object
+              properties:
+                type:
+                  type: string
+                  enum:
+                    - "accompanying_period_resource"
+                #id:
+                #  type: integer
+                comment:
+                  type: string
+              required:
+                - type
+            examples:
+              Set the resource comment:
+                value:
+                  type: accompanying_period_resource
+                  #id: 0
+                  comment: my judicious comment
+      responses:
+        401:
+          description: "Unauthorized"
+        404:
+          description: "Not found"
+        200:
+          description: "OK"
+        422:
+          description: "object with validation errors"
+
   /1.0/person/household.json:
     get:
       tags: