Updated Formatter documentation.
diff --git a/Doc/library/logging.rst b/Doc/library/logging.rst
index e02556b..b94951d 100644
--- a/Doc/library/logging.rst
+++ b/Doc/library/logging.rst
@@ -405,7 +405,7 @@
:ref:`logrecord-attributes`.
-.. class:: Formatter(fmt=None, datefmt=None)
+.. class:: Formatter(fmt=None, datefmt=None, style='%')
Returns a new instance of the :class:`Formatter` class. The instance is
initialized with a format string for the message as a whole, as well as a
@@ -413,6 +413,14 @@
specified, ``'%(message)s'`` is used. If no *datefmt* is specified, the
ISO8601 date format is used.
+ The *style* parameter can be one of '%', '{' or '$' and determines how
+ the format string will be merged with its data: using one of %-formatting,
+ :meth:`str.format` or :class:`string.Template`.
+
+ .. versionchanged:: 3.2
+ The *style* parameter was added.
+
+
.. method:: format(record)
The record's attribute dictionary is used as the operand to a string
@@ -691,7 +699,6 @@
information into logging calls. For a usage example , see the section on
:ref:`adding contextual information to your logging output <context-info>`.
-
.. class:: LoggerAdapter(logger, extra)
Returns an instance of :class:`LoggerAdapter` initialized with an