bpo-33400: Clarified documentation to indicate no strict adherence to ISO 8601. (GH-6702)
diff --git a/Doc/howto/logging.rst b/Doc/howto/logging.rst
index f8b78b6..e9e5580 100644
--- a/Doc/howto/logging.rst
+++ b/Doc/howto/logging.rst
@@ -296,9 +296,9 @@
2010-12-12 11:41:42,612 is when this event was logged.
-The default format for date/time display (shown above) is ISO8601. If you need
-more control over the formatting of the date/time, provide a *datefmt*
-argument to ``basicConfig``, as in this example::
+The default format for date/time display (shown above) is like ISO8601 or
+RFC 3339. If you need more control over the formatting of the date/time, provide
+a *datefmt* argument to ``basicConfig``, as in this example::
import logging
logging.basicConfig(format='%(asctime)s %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')