Update README.rst

Author: atlance

Behavioral/Memento/README.rst

@@ -60,9 +60,9 @@ Memento.php
    :language: php
    :linenos:
 
-Originator.php
+State.php
 
-.. literalinclude:: Originator.php
+.. literalinclude:: State.php
    :language: php
    :linenos:
 
@@ -82,4 +82,4 @@ Tests/MementoTest.php
    :linenos:
 
 .. _`GitHub`: https://github.com/domnikl/DesignPatternsPHP/tree/master/Behavioral/Memento
-.. __: http://en.wikipedia.org/wiki/Memento_pattern
+.. __: http://en.wikipedia.org/wiki/Memento_pattern