diff --git a/pandas/io/parsers/readers.py b/pandas/io/parsers/readers.py
index 35227dcf6a82d..4858d56d71c42 100644
--- a/pandas/io/parsers/readers.py
+++ b/pandas/io/parsers/readers.py
@@ -381,6 +381,8 @@
 
     .. versionadded:: 1.3.0
 
+    .. versionadded:: 1.4.0
+
         - callable, function with signature
           ``(bad_line: list[str]) -> list[str] | None`` that will process a single
           bad line. ``bad_line`` is a list of strings split by the ``sep``.
@@ -389,8 +391,6 @@
           expected, a ``ParserWarning`` will be emitted while dropping extra elements.
           Only supported when ``engine="python"``
 
-    .. versionadded:: 1.4.0
-
 delim_whitespace : bool, default False
     Specifies whether or not whitespace (e.g. ``' '`` or ``'\t'``) will be
     used as the sep. Equivalent to setting ``sep='\\s+'``. If this option