Add news entry for 21832
diff --git a/Misc/NEWS b/Misc/NEWS
index 0f0f054..f99c155 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,8 @@
 
 - Issue #21672: Fix the behavior of ntpath.join on UNC-style paths.
 
+- Issue #21832:  Require named tuple inputs to be exact strings.
+
 - Issue #8343:  Named group error messages in the re module did not show
   the name of the erroneous group.