diff --git a/backend/src/bundles/auth/auth.controller.ts b/backend/src/bundles/auth/auth.controller.ts
index 148002532..eaf4bb7a3 100644
--- a/backend/src/bundles/auth/auth.controller.ts
+++ b/backend/src/bundles/auth/auth.controller.ts
@@ -55,9 +55,9 @@ class AuthController extends BaseController {
 
     /**
      * @swagger
-     * /auth/sign-up:
+     * /auth/sign-in:
      *    post:
-     *      description: Sign up user into the application
+     *      description: Sign in user into the application
      *      requestBody:
      *        description: User auth data
      *        required: true
@@ -72,7 +72,7 @@ class AuthController extends BaseController {
      *                password:
      *                  type: string
      *      responses:
-     *        201:
+     *        200:
      *          description: Successful operation
      *          content:
      *            application/json:
@@ -82,7 +82,15 @@ class AuthController extends BaseController {
      *                  message:
      *                    type: object
      *                    $ref: '#/components/schemas/User'
+     *        400:
+     *          description: Failed operation
+     *          content:
+     *            application/json:
+     *              schema:
+     *                  type: object
+     *                  $ref: '#/components/schemas/Error'
      */
+
     private async signIn(
         options: ApiHandlerOptions<{
             body: UserSignInRequestDto;
@@ -94,6 +102,37 @@ class AuthController extends BaseController {
         };
     }
 
+    /**
+     * @swagger
+     * /auth/sign-up:
+     *    post:
+     *      description: Sign up user into the application
+     *      requestBody:
+     *        description: User auth data
+     *        required: true
+     *        content:
+     *          application/json:
+     *            schema:
+     *              type: object
+     *              properties:
+     *                email:
+     *                  type: string
+     *                  format: email
+     *                password:
+     *                  type: string
+     *      responses:
+     *        201:
+     *          description: Successful operation
+     *          content:
+     *            application/json:
+     *              schema:
+     *                type: object
+     *                properties:
+     *                  message:
+     *                    type: object
+     *                    $ref: '#/components/schemas/User'
+     */
+
     private async signUp(
         options: ApiHandlerOptions<{
             body: UserSignUpRequestDto;
diff --git a/backend/src/common/server-application/base-server-app-api.ts b/backend/src/common/server-application/base-server-app-api.ts
index 6630eaebc..e86461e11 100644
--- a/backend/src/common/server-application/base-server-app-api.ts
+++ b/backend/src/common/server-application/base-server-app-api.ts
@@ -38,11 +38,27 @@ class BaseServerAppApi implements ServerAppApi {
             definition: {
                 openapi: '3.0.0',
                 info: {
-                    title: 'Hello World',
+                    title: 'OutreachVids API documentation',
                     version: `${this.version}.0.0`,
                 },
+                components: {
+                    schemas: {
+                        Error: {
+                            type: 'object',
+                            properties: {
+                                errorType: {
+                                    type: 'string',
+                                    enum: ['COMMON', 'VALIDATION'],
+                                },
+                                message: {
+                                    type: 'string',
+                                },
+                            },
+                        },
+                    },
+                },
             },
-            apis: [`src/packages/**/*.controller.${controllerExtension}`],
+            apis: [`src/bundles/**/*.controller.${controllerExtension}`],
         });
     }
 }