Issue #22386: fixed regression.
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst
index a3e2770..9983711 100644
--- a/Doc/library/logging.rst
+++ b/Doc/library/logging.rst
@@ -1052,8 +1052,8 @@
.. versionchanged:: 3.4
In Python versions earlier than 3.4, this function could also be passed a
text level, and would return the corresponding numeric value of the level.
- This undocumented behaviour was a mistake, and has been removed in Python
- 3.4.
+ This undocumented behaviour was considered a mistake, and was removed in
+ Python 3.4, but reinstated in 3.4.2 due to retain backward compatibility.
.. function:: makeLogRecord(attrdict)