Issue #16853: Add new selectors module.
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 427083a..e15e534 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -174,10 +174,11 @@
 New Modules
 ===========
 
-.. module name
-.. -----------
+selectors
+---------
 
-* None yet.
+The new :mod:`selectors` module allows high-level and efficient I/O
+multiplexing, built upon the :mod:`select` module primitives.
 
 
 Improved Modules