diff --git a/Doc/library/datatypes.rst b/Doc/library/datatypes.rst
index 48af0823aa4..94010c0e391 100644
--- a/Doc/library/datatypes.rst
+++ b/Doc/library/datatypes.rst
@@ -5,13 +5,14 @@ Data Types
 **********
 
 The modules described in this chapter provide a variety of specialized data
-types such as dates and times, fixed-type arrays, heap queues, synchronized
-queues, and sets.
+types such as dates and times, fixed-type arrays, heap queues, double-ended
+queues, and enumerations.
 
 Python also provides some built-in data types, in particular,
 :class:`dict`, :class:`list`, :class:`set` and :class:`frozenset`, and
 :class:`tuple`.  The :class:`str` class is used to hold
-Unicode strings, and the :class:`bytes` class is used to hold binary data.
+Unicode strings, and the :class:`bytes` and :class:`bytearray` classes are used
+to hold binary data.
 
 The following modules are documented in this chapter: