diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index a6348eda3891cc..5ce6bf17db41ea 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1109,8 +1109,10 @@ have the following two methods available:
 
    .. doctest::
 
-      >>> int.__subclasses__()
-      [<class 'bool'>, <enum 'IntEnum'>, <flag 'IntFlag'>, <class 're._constants._NamedIntConstant'>, <class 're._ZeroSentinel'>]
+      >>> class A: pass
+      >>> class B(A): pass
+      >>> A.__subclasses__()
+      [<class 'B'>]
 
 Class instances
 ---------------