Fix internal link.
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index c2c3241..eb63834 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1541,8 +1541,8 @@
property creation, proxies, frameworks, and automatic resource
locking/synchronization.
-Here is an example of a metaclass that uses an :class:`OrderedDict` to
-remember the order that class members were defined::
+Here is an example of a metaclass that uses an :class:`collections.OrderedDict`
+to remember the order that class members were defined::
class OrderedClass(type):