Correcting code example

docs/en/reference/caching.rst

@@ -43,9 +43,9 @@ object is closed:
     <?php
     $stmt = $conn->executeCachedQuery($query, $params, $types, new QueryCacheProfile(0, "some key"));
     $data = $stmt->fetchAll();
-    $stmt->close() // at this point the result is cached
+    $stmt->closeCursor(); // at this point the result is cached
 
 
 .. warning::
 
-    When using the cache layer not all fetch modes are supported. See the code of the `ResultCacheStatement <https://github.com/doctrine/dbal/blob/master/lib/Doctrine/DBAL/Cache/ResultCacheStatement.php#L156>`_ for details.
\ No newline at end of file
+    When using the cache layer not all fetch modes are supported. See the code of the `ResultCacheStatement <https://github.com/doctrine/dbal/blob/master/lib/Doctrine/DBAL/Cache/ResultCacheStatement.php#L156>`_ for details.