diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 4122b98..0aa4f15 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -577,16 +577,16 @@
 
 * *timefunc* and *delayfunct* parameters of :class:`~sched.scheduler` class
   constructor are now optional and defaults to :func:`time.time` and
-  :func:`time.sleep` respectively.  (Contributed by Matt Mulsow in
-  :issue:`8809`)
+  :func:`time.sleep` respectively.  (Contributed by Chris Clark in
+  :issue:`13245`)
 
 * :meth:`~sched.scheduler.enter` and :meth:`~sched.scheduler.enterabs`
-  *argument* parameter is now optional.  (Contributed by Matt Mulsow in
-  :issue:`8809`)
+  *argument* parameter is now optional.  (Contributed by Chris Clark in
+  :issue:`13245`)
 
 * :meth:`~sched.scheduler.enter` and :meth:`~sched.scheduler.enterabs`
-  now accept a *kwargs* parameter.  (Contributed by Matt Mulsow in
-  :issue:`8809`)
+  now accept a *kwargs* parameter.  (Contributed by Chris Clark in
+  :issue:`13245`)
 
 Optimizations
 =============
diff --git a/Misc/ACKS b/Misc/ACKS
index 1036065..fe2af75 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -11,7 +11,7 @@
 PS: In the standard Python distribution, this file is encoded in UTF-8
 and the list is in rough alphabetical order by last names.
 
-Matt Mulsow
+Chris Clark
 Rajiv Abraham
 David Abrahams
 Ron Adam
diff --git a/Misc/NEWS b/Misc/NEWS
index 23a67ee..adc434c 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -390,7 +390,7 @@
 - Issue #13245: sched.scheduler class constructor's timefunc and
   delayfunct parameters are now optional.
   scheduler.enter and scheduler.enterabs methods gained a new kwargs parameter.
-  Patch contributed by Matt Mulsow.
+  Patch contributed by Chris Clark.
 
 - Issue #12328: Under Windows, refactor handling of Ctrl-C events and
   make _multiprocessing.win32.WaitForMultipleObjects interruptible when