diff --git a/readme.md b/readme.md
index 01e084d..93b325a 100644
--- a/readme.md
+++ b/readme.md
@@ -9,6 +9,7 @@
 ## SSO Mock
 
 * Step 1: Before you try this out, make sure you paste `6cdVzOYGVW` in the api_keys of the flarum database in MySQL.
+* Step 2: Create a `config.php` file in the `sso` folder with the contents given at the very bottom.
 * Step 2: Head to [here](http://localhost:9999/admin#/extensions) and enable *Single Sign On* extension.
 * Step 3: Fill in the details as shown in the image below.
 * Step 3: Now, navigate to `sso` folder and run `php -S localhost:8888`
@@ -16,6 +17,23 @@
 
 ![](https://i.imgur.com/umGJsnx.png)
 
+```
+<?php
+return [
+    // URL to your Flarum forum
+    'flarum_url' => 'http://localhost:9999',
+    // Domain of your main site (without http://)
+    'root_domain' => 'localhost',
+    // Create a random key in the api_keys table of your Flarum forum
+    'flarum_api_key' => '6cdVzOYGVW',
+    // Random token to create passwords
+    'password_token' => 'NotSecureToken',
+    // How many days should the login be valid
+    'lifetime_in_days' => 14,
+];
+
+```
+
 ___
 * Last revision on 16/09/2017
 * @aligajani