diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 09dbbd1..d1471f1 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -215,7 +215,9 @@
    .. note::
 
       On Windows only SIGTERM is supported so far. It's an alias for
-      *terminate*.
+      :meth:`terminate`.
+
+   .. versionadded:: 2.6
 
 
 .. method:: Popen.terminate()
@@ -224,11 +226,15 @@
    child. On Windows the Win32 API function TerminateProcess is called
    to stop the child.
 
+   .. versionadded:: 2.6
+
 
 .. method:: Popen.kill()
 
    Kills the child. On Posix OSs the function sends SIGKILL to the child.
-   On Windows *kill* is an alias for *terminate*.
+   On Windows :meth:`kill` is an alias for :meth:`terminate`.
+
+   .. versionadded:: 2.6
 
 
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