DOC: Fix reference to api.typing.NaType (#58871)

Author: albertvillanova

doc/source/user_guide/missing_data.rst

@@ -32,7 +32,7 @@ use :class:`api.typing.NaTType`.
 :class:`NA` for :class:`StringDtype`, :class:`Int64Dtype` (and other bit widths),
 :class:`Float64Dtype` (and other bit widths), :class:`BooleanDtype` and :class:`ArrowDtype`.
 These types will maintain the original data type of the data.
-For typing applications, use :class:`api.types.NAType`.
+For typing applications, use :class:`api.typing.NAType`.
 
 .. ipython:: python