diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index 92fecb4..d2b3ed7 100644
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -189,6 +189,12 @@
 Improved Modules
 ================
 
+argparse
+--------
+
+Misleading phrase "optional arguments" was replaced with "options" in argparse help. Some tests might require adaptation if they rely on exact output match.
+(Contributed by Raymond Hettinger in :issue:`9694`.)
+
 base64
 ------
 
diff --git a/Misc/ACKS b/Misc/ACKS
index 211455b..1362669 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -761,6 +761,7 @@
 Brad Howes
 Mike Hoy
 Ben Hoyt
+Tomáš Hrnčiar
 Miro Hrončok
 Chiu-Hsiang Hsu
 Chih-Hao Huang