Mention that the tuple returned by __reduce__ is pickled as normal.
diff --git a/Doc/library/pickle.rst b/Doc/library/pickle.rst
index 918fb8e..28ccf92 100644
--- a/Doc/library/pickle.rst
+++ b/Doc/library/pickle.rst
@@ -480,8 +480,9 @@
namespace to determine the object's module.
When a tuple is returned, it must be between two and five elements long.
-Optional elements can either be omitted, or ``None`` can be provided as their
-value. The semantics of each element are:
+Optional elements can either be omitted, or ``None`` can be provided as their
+value. The contents of this tuple are pickled as normal and used to
+reconstruct the object at unpickling time. The semantics of each element are:
* A callable object that will be called to create the initial version of the
object. The next element of the tuple will provide arguments for this callable,