gh-83648: Use versionadded in 'deprecated' description (GH-121877)

diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index 0367c83d9369d393876156aedac6d5b6a1509693..aa1341c8d4d4a8f9591eb043154fa43b4e30f1e3 100644 (file)
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -1466,7 +1466,7 @@ printed to standard error when the argument is used::
    snake.py: warning: option '--legs' is deprecated
    Namespace(legs=4)
 
-.. versionchanged:: 3.13
+.. versionadded:: 3.13
 
 
 Action classes