Merged pull request #1 from lewinski/fix-connection-executeQuery-example.

Fix connection execute query example

en/reference/data-retrieval-and-manipulation.rst

@@ -338,7 +338,7 @@ parameters to the execute method, then returning the statement:
 .. code-block:: php
 
     <?php
-    $statement = $conn->execute('SELECT * FROM user WHERE username = ?', array('jwage'));
+    $statement = $conn->executeQuery('SELECT * FROM user WHERE username = ?', array('jwage'));
     $user = $statement->fetch();
     
     /*