.

Author: 94noni

Diff for: serializer.rst

@@ -1874,7 +1874,7 @@ Preserving Empty Objetcs
 
 By default, the Serializer will transform an empty array to `[]`.
 You can change this behavior by setting the ``AbstractObjectNormalizer::PRESERVE_EMPTY_OBJECTS`` context option
-to ``true``, the value would be `{}`.
+to ``true``, when the value is `\ArrayObject()` the serialization would be `{}`.
 
 Handling Uninitialized Properties
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~