Update README.md

Author: Phalcon

README.md

@@ -1,12 +1,12 @@
 Phalcon Tutorial
 ================
 
-Phalcon PHP is a web framework delivered as a C extension providing high
+Phalcon is a web framework for PHP delivered as a C extension providing high
 performance and lower resource consumption.
 
 This is a very simple tutorial to understand the basis of work with Phalcon.
 
-Check out a explanation article: http://phalconphp.com/documentation/tutorial
+Check out a explanation article: http://docs.phalconphp.com/en/latest/reference/tutorial.html
 
 Get Started
 -----------
@@ -17,5 +17,5 @@ To run this application on your machine, you need at least:
 
 * PHP >= 5.3.11
 * Apache Web Server with mod rewrite enabled
-* Phalcon PHP Framework extension enabled (0.5.x)
+* Phalcon Framework extension enabled (>= 0.5.x)