Add a sentence to basicConfig() that is in the docstring.
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst
index 9cd3668..1f7c59b 100644
--- a/Doc/library/logging.rst
+++ b/Doc/library/logging.rst
@@ -698,6 +698,8 @@
:func:`error` and :func:`critical` will call :func:`basicConfig` automatically
if no handlers are defined for the root logger.
+ This function does nothing if the root logger already has handlers configured.
+
.. versionchanged:: 2.4
Formerly, :func:`basicConfig` did not take any keyword arguments.