Update OAuth2-Backend-Approach.md

OAuth2-Backend-Approach.md

@@ -151,7 +151,7 @@ curl -X GET https://xorismesiti.gr/api/auth/profile \
   -H "Accept: application/json"
 ```
 
-### 2. Backend **GET** profile data from Google `https://www.googleapis.com/oauth2/v3/userinfo` using the `access_token` from Front `cookie`
+### 2. Backend **GET** profile data from Google
 
 ```bash
 curl -X GET "https://www.googleapis.com/oauth2/v3/userinfo" \
@@ -186,6 +186,7 @@ curl -X GET "https://www.googleapis.com/oauth2/v3/userinfo" \
 }
 ```
 
+### Frontend Code
 
 ```js
 import React, { useState, useEffect } from 'react';