#16306: Fix multiple error messages when unknown command line parameters where passed to the interpreter.  Patch by Hieu Nguyen.
diff --git a/Misc/ACKS b/Misc/ACKS
index 3604dd0..462145a 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -701,6 +701,7 @@
 Chad Netzer
 Max Neunhöffer
 George Neville-Neil
+Hieu Nguyen
 Johannes Nicolai
 Samuel Nicolary
 Gustavo Niemeyer
diff --git a/Misc/NEWS b/Misc/NEWS
index f50ed54..b5b7a50 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -9,6 +9,9 @@
 Core and Builtins
 -----------------
 
+- Issue #16306: Fix multiple error messages when unknown command line
+  parameters where passed to the interpreter.  Patch by Hieu Nguyen.
+
 - Issue #15379: Fix passing of non-BMP characters as integers for the charmap
   decoder (already working as unicode strings).  Patch by Serhiy Storchaka.