Fix CyberCog URL

Author: antonkomarev

README.md

@@ -79,11 +79,11 @@ If you discover any security related issues, please email open@cybercog.su inste
 
 ## About CyberCog
 
-[CyberCog](https://cybercog.ru) is a Social Unity of enthusiasts. Research best solutions in product & software development is our passion.
+[CyberCog](https://cybercog.su) is a Social Unity of enthusiasts. Research best solutions in product & software development is our passion.
 
 - [Follow us on Twitter](https://twitter.com/cybercog)
 - [Read our articles on Medium](https://medium.com/cybercog)
 
-<a href="https://cybercog.ru"><img src="https://cloud.githubusercontent.com/assets/1849174/18418932/e9edb390-7860-11e6-8a43-aa3fad524664.png" alt="CyberCog"></a>
+<a href="https://cybercog.su"><img src="https://cloud.githubusercontent.com/assets/1849174/18418932/e9edb390-7860-11e6-8a43-aa3fad524664.png" alt="CyberCog"></a>
 
 [Anton Komarev]: https://komarev.com