Issue #8428: Fix a race condition in multiprocessing.Pool when terminating
worker processes: new processes would be spawned while the pool is being
shut down.  Patch by Charles-François Natali.
diff --git a/Misc/NEWS b/Misc/NEWS
index b5dc98b..413f387 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -53,6 +53,10 @@
 Library
 -------
 
+- Issue #8428: Fix a race condition in multiprocessing.Pool when terminating
+  worker processes: new processes would be spawned while the pool is being
+  shut down.  Patch by Charles-François Natali.
+
 - Issue #7311: fix html.parser to accept non-ASCII attribute values.
 
 - Issue #11605: email.parser.BytesFeedParser was incorrectly converting multipart