doc of PYTHONFAULTHANDLER env var: add missing "versionadded" tag

diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index f2d261675a038aff5b702330ee3c7d9ae5dc86eb..4e7168fb280f3c542cf4e684651794f596c9360c 100644 (file)
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -562,6 +562,8 @@ conflict.
    Python traceback.  This is equivalent to :option:`-X` ``faulthandler``
    option.
 
+   .. versionadded:: 3.3
+
 
 Debug-mode variables
 ~~~~~~~~~~~~~~~~~~~~