From bb5381de1e09abf9b8aa78897e5ede015523c971 Mon Sep 17 00:00:00 2001
From: iritkatriel <iritkatriel@yahoo.com>
Date: Sat, 3 Oct 2020 17:40:27 +0100
Subject: [PATCH] bpo-41898: add caveat on root logger seeing all messages in
 assertLogs doc

---
 Doc/library/unittest.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index a52df9ee01578c..f04ec91270eebe 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -1091,7 +1091,8 @@ Test cases
 
       If given, *logger* should be a :class:`logging.Logger` object or a
       :class:`str` giving the name of a logger.  The default is the root
-      logger, which will catch all messages.
+      logger, which will catch all messages that were not blocked by a
+      non-propagating descendent logger.
 
       If given, *level* should be either a numeric logging level or
       its string equivalent (for example either ``"ERROR"`` or