bpo-16396: fix BPO number in changelog (GH-23951)

hauntsaninja · web-flow · commit 7865f516f313 · 2020-12-26T07:36:56.000-08:00
Automerge-Triggered-By: GH:jaraco
diff --git a/Misc/NEWS.d/3.10.0a2.rst b/Misc/NEWS.d/3.10.0a2.rst
@@ -560,7 +560,7 @@ by Joongi Kim and John Belmonte.
 
 ..
 
-.. bpo: 16936
+.. bpo: 16396
 .. date: 2020-07-08-09-45-00
 .. nonce: z8o8Pn
 .. section: Library
