Add versionadded tag to PySys_FormatStd*() functions doc
diff --git a/Doc/c-api/sys.rst b/Doc/c-api/sys.rst
index d4d2795..27ee94c 100644
--- a/Doc/c-api/sys.rst
+++ b/Doc/c-api/sys.rst
@@ -118,11 +118,15 @@
:cfunc:`PyUnicode_FromFormatV` and don't truncate the message to an
arbitrary length.
+ .. versionadded:: 3.2
+
.. cfunction:: void PySys_FormatStderr(const char *format, ...)
As :cfunc:`PySys_FormatStdout`, but write to :data:`sys.stderr` or *stderr*
instead.
+ .. versionadded:: 3.2
+
.. _processcontrol:
Process Control