mfa readme update

Author: edignot

typescript-mfa-example/README.md

@@ -34,15 +34,14 @@ An example TypeScript application demonstrating how to use the [WorkOS MFA API](
 file at the root of the project, and store these like so:
     ```
     WORKOS_API_KEY=sk_xxxxxxxxxxxxx
-    PORT=3000
     ```
 
 5. The final setup step is to start the server.
    ```bash
    $ npm run dev
    ```
 
-   Navigate to `localhost:3000` in your web browser. 
+   Navigate to `http://localhost:8000/` in your web browser. 
 
 ## Using the MFA application