bpo-45391: mark UnionType as a class in documentation (GH-28757)

gaborbernat · web-flow · commit e2cfc89e099b · 2021-12-09T20:56:14.000+08:00
Signed-off-by: Bernát Gábor &lt;bgabor8@bloomberg.net&gt;
diff --git a/Doc/library/types.rst b/Doc/library/types.rst
@@ -312,7 +312,7 @@ Standard names are defined for the following types:
       This type can now be subclassed.
 
 
-.. data:: UnionType
+.. class:: UnionType
 
    The type of :ref:`union type expressions<types-union>`.
 
