diff --git a/Doc/library/csv.rst b/Doc/library/csv.rst
index 533cdf13974be6..f444ff27d907c3 100644
--- a/Doc/library/csv.rst
+++ b/Doc/library/csv.rst
@@ -333,6 +333,9 @@ The :mod:`csv` module defines the following constants:
 
    Instructs :class:`reader` objects to convert all non-quoted fields to type *float*.
 
+   ``True`` and ``False`` are numeric types in Python so using this option will
+   not quote them.
+
 
 .. data:: QUOTE_NONE