bpo-40630: adjust tracemalloc.reset_peak docs for backport to 3.9 (GH-20546)
diff --git a/Doc/library/tracemalloc.rst b/Doc/library/tracemalloc.rst
index fba1caa..20f668c 100644
--- a/Doc/library/tracemalloc.rst
+++ b/Doc/library/tracemalloc.rst
@@ -345,7 +345,7 @@
See also :func:`get_traced_memory`.
- .. versionadded:: 3.10
+ .. versionadded:: 3.9
.. function:: get_tracemalloc_memory()
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index 8a6b021..95c5aa7 100644
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -95,13 +95,6 @@
Improved Modules
================
-tracemalloc
------------
-
-Added :func:`tracemalloc.reset_peak` to set the peak size of traced memory
-blocks to the current size, to measure the peak of specific pieces of code.
-(Contributed by Huon Wilson in :issue:`40630`.)
-
Optimizations
=============
diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst
index a468130..ccc84cc 100644
--- a/Doc/whatsnew/3.9.rst
+++ b/Doc/whatsnew/3.9.rst
@@ -562,6 +562,12 @@
``stderr`` defaults to always being line-buffered.
(Contributed by Jendrik Seipp in :issue:`13601`.)
+tracemalloc
+-----------
+
+Added :func:`tracemalloc.reset_peak` to set the peak size of traced memory
+blocks to the current size, to measure the peak of specific pieces of code.
+(Contributed by Huon Wilson in :issue:`40630`.)
typing
------