diff --git a/Documents/proto/general/openapi.yaml b/Documents/proto/general/openapi.yaml
index f1acf19..7a25336 100644
--- a/Documents/proto/general/openapi.yaml
+++ b/Documents/proto/general/openapi.yaml
@@ -122,11 +122,11 @@ paths:
           description: Successfully changed. 
         '401':
           $ref: '#/components/responses/UnauthorizedError'
-  /user/{mat}:
+  /user/{RegNo}:
     parameters:
-      - name: mat
+      - name: RegNo
         in: path
-        description: Matricule of the user (unique id)
+        description: Regestration number of the user (unique id)
         required: true
         schema:
           type: integer
@@ -390,15 +390,14 @@ paths:
       requestBody:
         required : true
         content: 
-          application/pdf:
-            schema:
-              type: string
-              format : binary
           application/json:
             schema:
               type: object
               properties:
-                acces:
+                pdf:
+                  type: string 
+                  description : the B64 version encoding of the pdf file
+                access:
                   type: string
                 summary:
                   type: string
@@ -410,7 +409,19 @@ paths:
                   type: string
                   description: Follow the iso 8601 ("YYYY-MM-DD")
                 views:
-                  type: integer #TODO check comment envoyer fichier + json
+                  type: integer 
+            example:
+                    {
+        "access": "private",
+        "pdf": " *the b64 encoding of the pdf* ",
+        "summary": "looks in details about graph's second theorem",
+        "language": "english",
+        "title": "graph's second theorem study",
+        "date":"2023-02-01",
+        "views": 420,
+        "authors" : []
+        }
+              
   /article/{id}:
     parameters:
       - name: id
@@ -450,15 +461,14 @@ paths:
       requestBody:
         required : true
         content: 
-          application/pdf:
-            schema:
-              type: string
-              format : binary
           application/json:
             schema:
               type: object
               properties:
-                acces:
+                pdf:
+                  type: string 
+                  description : the B64 version encoding of the pdf file
+                access:
                   type: string
                 summary:
                   type: string
@@ -471,6 +481,18 @@ paths:
                   description: Follow the iso 8601 ("YYYY-MM-DD")
                 views:
                   type: integer
+              example:
+                                  {
+        "access": "public",
+        "pdf": " *the new b64 encoding of the pdf* ",
+        "summary": "looks in details about the duck's algorithm problem",
+        "language": "english",
+        "title": "duck's algorithm problem solving",
+        "date":"2023-02-01",
+        "views": 10,
+        "authors" : []
+        }
+              
 
     delete:
       summary: delete own article
@@ -485,8 +507,39 @@ paths:
         '401':
           $ref: '#/components/responses/UnauthorizedError'
       
-  
-      
+  /Display-Article:
+      parameters:
+        - in: query
+          name: author
+          required: false 
+          schema:
+            type: string
+        - in: query
+          name: access
+          required: false 
+          schema:
+            type: string
+            enum: [public, restricted, private]
+        - in: query
+          name: name
+          required: false 
+          schema:
+            type: string
+            
+      get:
+        summary: get a list of article's data
+        tags:
+          - Users
+          - Ext (scientific articles)
+        responses: 
+          '200':
+            description: OK
+            content: 
+              application/json:
+                schema:
+                  type: array
+                  items:
+                    $ref: "#/components/schemas/Display-Article"
 
 components:
   securitySchemes:
@@ -587,7 +640,7 @@ components:
       properties:
         articleId: 
           type: integer
-        acces :
+        access :
           type : string
         pdf :
           type : string
@@ -610,7 +663,7 @@ components:
       example:
         {
         "articleId": 42,
-        "acces": "private",
+        "access": "private",
         "pdf": "/articles/42",
         "summary": "looks in details about graph's second theorem",
         "language": "english",
@@ -619,9 +672,33 @@ components:
         "views": 420,
         "authors" : []
         }
-        
+    Display-Article:   
+      type: object
+      properties:
+        articleId: 
+          type: integer
+        access:
+          type: string
+        summary:
+          type: string
+        title:
+          type: string 
+        author:
+          type: string
+          items:
+            $ref: '#/components/schemas/User'
+      example:
+        {
+        "articleId": 42,
+        "access": "private",
+        "summary": "looks in details about graph's second theorem",
+        "title": "graph's second theorem study",
+        "author" : "john doe"
+        }
       
         
   responses:
     UnauthorizedError:
       description: Unauthorized access or missing bearer 
+
+