Fixes #14864: Added documentation on how to undo the effects of a logging.disable() call.
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst
index b4185c3..b77fd36 100644
--- a/Doc/library/logging.rst
+++ b/Doc/library/logging.rst
@@ -814,7 +814,8 @@
effect is to disable all logging calls of severity *lvl* and below, so that
if you call it with a value of INFO, then all INFO and DEBUG events would be
discarded, whereas those of severity WARNING and above would be processed
- according to the logger's effective level.
+ according to the logger's effective level. To undo the effect of a call to
+ ``logging.disable(lvl)``, call ``logging.disable(logging.NOTSET)``.
.. function:: addLevelName(lvl, levelName)