python · vstinner · Jun 1, 2020 · May 30, 2020
diff --git a/Doc/library/tracemalloc.rst b/Doc/library/tracemalloc.rst
@@ -345,7 +345,7 @@ Functions
 
    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
@@ -95,13 +95,6 @@ New Modules
 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
@@ -561,6 +561,12 @@ Previously, :attr:`sys.stderr` was block-buffered when non-interactive. Now
 ``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
 ------

diff --git a/Misc/NEWS.d/next/Library/2020-05-15-13-40-15.bpo-40630.YXEX_M.rst b/Misc/NEWS.d/next/Library/2020-05-15-13-40-15.bpo-40630.YXEX_M.rst