Update README.md

Add period and fix typo

Author: mamuz

README.md

@@ -189,8 +189,8 @@ A collection of resources to learn object-oriented programming and related conce
 * [The MVC Pattern and PHP, Part 1](http://www.sitepoint.com/the-mvc-pattern-and-php-1/) and [The MVC Pattern and PHP, Part 2](http://www.sitepoint.com/the-mvc-pattern-and-php-2/) - An introduction tutorial about MVC pattern.
 * [Alternatives To MVC](http://blog.ircmaxell.com/2014/11/alternatives-to-mvc.html) - An introduction to alternative architectures to MVC.
 * [N-Tier Architecture - An Introduction](http://blog.ircmaxell.com/2012/08/n-tier-architecture-introduction.html) - An introduction to n-tier architecture.
-* [Hexagonal Architecture](http://fideloper.com/hexagonal-architecture) - An introduction to also called Ports and Adapters architecture by Chris Fidao
-* [The Onion Architecture : part 1](http://jeffreypalermo.com/blog/the-onion-architecture-part-1/) - An introduction to the Onion Architecture by Jeffrey Palermo
+* [Hexagonal Architecture](http://fideloper.com/hexagonal-architecture) - An introduction to Ports and Adapters architecture by Chris Fidao.
+* [The Onion Architecture : part 1](http://jeffreypalermo.com/blog/the-onion-architecture-part-1/) - An introduction to the Onion Architecture by Jeffrey Palermo.
 
 ### Miscellaneous
 *Not related to OOP but interesting resources.*