Update README.md

Author: vlobzakov

CORS-CDN/README.md

@@ -12,4 +12,10 @@ For example: **if ($http_origin ~* 'https?://(localhost|magento\\.jelastic\\.com
 
 3. Replace **/etc/nginx/conf.d/site-default.conf** with **site-default.conf** from repository directory **CORS-CDN**.
 
-4. The changes added as lines **67, 79** and **104** to **site-default.conf**.
+4. The changes added as lines **67, 79** and **104** to **site-default.conf**.
+
+5. Change the URLs in magento admin panel like as on the picture below.
+
+<p align="left"> 
+<img src="./images/urls-example.png" width="600">
+</p>