merged branch jdreesen/patch-1 (PR #2)

Commits
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b239305 Fixed typo

Discussion
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Fixed typo

Author: fabpot

book/part1.rst

@@ -150,7 +150,7 @@ autoloading. The Symfony2 ClassLoader Component provides an autoloader that
 implements this PSR-0 standard and most of the time, the Symfony2 ClassLoader
 is all you need to autoload all your project classes.
 
-Create and empty autoloader in a new ``autoload.php`` file:
+Create an empty autoloader in a new ``autoload.php`` file:
 
 .. code-block:: php