diff --git a/Misc/ACKS b/Misc/ACKS
index 12b5ab5..14a8cb8 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -585,6 +585,7 @@
 Lars Immisch
 Bobby Impollonia
 Meador Inge
+Peter Ingebretson
 Tony Ingraldi
 John Interrante
 Bob Ippolito
diff --git a/Misc/NEWS b/Misc/NEWS
index 306a8d6..cfb05c2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -5,6 +5,12 @@
 What's New in Python 3.4.1?
 ===========================
 
+Core and Builtins
+-----------------
+
+- Issue #20637: Key-sharing now also works for instance dictionaries of
+  subclasses.  Patch by Peter Ingebretson.
+
 Library
 -------