diff --git a/Lib/heapq.py b/Lib/heapq.py
--- a/Lib/heapq.py
+++ b/Lib/heapq.py
@@ -517,6 +517,7 @@
              objects such as functions)
            * Minheap or maxheap
            * Easily extendable using subclassing
+           ! Add __getinitargs__ for pickling or a __reduce__ method
 
     '''