diff --git a/pep-0682.rst b/pep-0682.rst
index 03801e8542d..7dafa2b4e37 100644
--- a/pep-0682.rst
+++ b/pep-0682.rst
@@ -134,7 +134,10 @@ where ``z`` is allowed for floating-point presentation types (``f``, ``g``,
 etc.,  as defined by the format specification documentation).  Support for
 ``z`` is provided by the ``.__format__()`` method of each numeric type,
 allowing the specifier to be used in f-strings, built-in ``format()``, and
-``str.format()``.  The %-formatting style will not support the new option.
+``str.format()``.
+
+When ``z`` is present, negative zero (whether the original value or the
+result of rounding) will be normalized to positive zero.
 
 Synopsis::