diff --git a/postgres/__init__.py b/postgres/__init__.py
index 9c529e8..7ff844d 100644
--- a/postgres/__init__.py
+++ b/postgres/__init__.py
@@ -387,7 +387,8 @@ def one(self, sql, parameters=None, default=None, back_as=None, *a, **kw):
         :returns: a single record or value or the value of the
             :py:attr:`default` argument
         :raises: :py:exc:`~postgres.TooFew` or :py:exc:`~postgres.TooMany`
-            or `default` (if `default` is an `Exception` subclass or instance)
+            or :py:attr:`default` (if :py:attr:`default` is an
+            :py:class:`Exception` subclass or instance)
 
         .. _bind parameters: #bind-parameters