gh-100001: Remove new doc typo, add versionadded.
Earlier versions of Python did not scrub control characters from the
log messages emitted to stderr from ``python -m http.server`` or the
default :class:`BaseHTTPRequestHandler` ``.log_message``
-implementation. This could allow to remote clients connecting to your
+implementation. This could allow remote clients connecting to your
server to send nefarious control codes to your terminal.
+.. versionadded:: 3.12
+ Control characters are scrubbed in stderr logs.