docs: Fix parse_get_managed_objects arguments description

It was missing `on_unknown_member` description, the second argument
had copy pasted name `interfaces_added_data`.

Also add the link to it in the `DbusObjectManagerInterfaceAsync.get_managed_objects`
description.

docs/asyncio_api.rst

@@ -192,6 +192,9 @@ Classes
 
         Get the objects this object manager in managing.
 
+        :py:func:`sdbus.utils.parse_get_managed_objects` can be used
+        to make returned data easier to work with.
+
         :return:
             Triple nested dictionary that contains all the objects
             paths with their properties values.

docs/utils.rst

@@ -70,10 +70,13 @@ Parsing utilities
 
     :param Iterable[DbusInterfaceBaseAsync] interfaces: Possible interfaces of the managed objects.
         Can accept classes with multiple interfaces defined.
-    :param Dict interfaces_added_data: Data returned by ``get_managed_objects`` call.
-    :param str on_unknown_member: If an unknown D-Bus interface was encountered
+    :param Dict managed_objects_data: Data returned by ``get_managed_objects`` call.
+    :param str on_unknown_interface: If an unknown D-Bus interface was encountered
             either raise an ``"error"`` (default) or return ``"none"`` instead
             of interface class.
+    :param str on_unknown_member: If an unknown D-Bus property was encountered
+            either raise an ``"error"`` (default), ``"ignore"`` the property
+            or ``"reuse"`` the D-Bus name for the member.
     :rtype: Dict[str, Tuple[Optional[Type[DbusInterfaceBaseAsync], Dict[str, Any]]]]
     :returns: Dictionary where keys are paths and values are tuples of managed objects classes and their properties data.