bpo-35566: Add links to annotation glossary term (GH-11291) (GH-11302)

diff --git a/Doc/library/dataclasses.rst b/Doc/library/dataclasses.rst
index fe0feed..6af60b6 100644
--- a/Doc/library/dataclasses.rst
+++ b/Doc/library/dataclasses.rst
@@ -51,9 +51,9 @@
 
    The :func:`dataclass` decorator examines the class to find
    ``field``\s.  A ``field`` is defined as class variable that has a
-   type annotation.  With two exceptions described below, nothing in
-   :func:`dataclass` examines the type specified in the variable
-   annotation.
+   :term:`type annotation <variable annotation>`.  With two
+   exceptions described below, nothing in :func:`dataclass`
+   examines the type specified in the variable annotation.
 
    The order of the fields in all of the generated methods is the
    order in which they appear in the class definition.