diff --git a/Express/barAndCafe/src/app.ts b/Express/barAndCafe/src/app.ts
index 4b5c8b4..7d707fe 100644
--- a/Express/barAndCafe/src/app.ts
+++ b/Express/barAndCafe/src/app.ts
@@ -55,7 +55,40 @@ app.get("/welcome", getWelcome)
 app.get("/otm/city", getCity)
 
 
-//XXX: faire la doc SWAGGER
+/**
+ * @openapi
+ * /otm/radius:
+ *  get:
+ *      summary: return the drinks in a radius
+ *      description: return the drinks in a defined radius
+ *      parameters:
+ *        - name: lon
+ *          in: query
+ *          required: true
+ *          description: longitude of the center of the radius
+ *          schema:
+ *              type: number
+ *              minimum: -180
+ *              maximum: 180
+ *        - name: lat
+ *          in: query
+ *          required: true
+ *          description: latitude of the center of the radius
+ *          schema:
+ *              type: number
+ *              minimum: -90
+ *              maximum: 90
+ *        - name: radius
+ *          in: query
+ *          description: size of the radius
+ *      responses:
+ *          200:
+ *              description: Return a list of bars and coffee in city in geoJSON format
+ *          400:
+ *              description: Missing Argument Error
+ *          401:
+ *              description: Missing OTM tocken
+ */
 app.get("/otm/radius", getRadius)
 
 export default app
\ No newline at end of file