Merge pull request #721 from alex88/patch-1

Updated batch-processing link extension

docs/en/reference/dql-doctrine-query-language.rst

@@ -1189,7 +1189,7 @@ There are situations when a query you want to execute returns a
 very large result-set that needs to be processed. All the
 previously described hydration modes completely load a result-set
 into memory which might not be feasible with large result sets. See
-the `Batch Processing <batch-processing>`_ section on details how
+the `Batch Processing <batch-processing.html>`_ section on details how
 to iterate large result sets.
 
 Functions