Add link to selectors description from its summary line.
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 10c63dd..48b46f6 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -105,8 +105,9 @@
* :mod:`enum`: Support for enumeration types (:pep:`435`).
* :mod:`ensurepip`: Bootstrapping the pip installer (:pep:`453`).
* :mod:`pathlib`: Object-oriented filesystem paths (:pep:`428`).
-* :mod:`selectors`: High-level and efficient I/O multiplexing, built upon the
- :mod:`select` module primitives (part of :pep:`3156`).
+* :mod:`selectors`: :ref:`High-level and efficient I/O multiplexing
+ <whatsnew-selectors>`, built upon the :mod:`select` module primitives (part
+ of :pep:`3156`).
* :mod:`statistics`: A basic numerically stable statistics library (:pep:`450`).
* :mod:`tracemalloc`: Trace Python memory allocations (:pep:`454`).
@@ -378,6 +379,8 @@
PEP written and implemented by Antoine Pitrou.
+.. _whatsnew-selectors:
+
selectors
---------