Fix reference target.

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 4fd7bbdc6e1a29aa5e35f34a27458e8c86aae6ec..74199443f1dc2a89d701b530426abb8403ed6ae2 100644 (file)
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -1608,7 +1608,7 @@ implementation found in the :mod:`sets` module.
 
 .. seealso::
 
-   :ref:`comparison-to-builtin-set.html`
+   :ref:`comparison-to-builtin-set`
       Differences between the :mod:`sets` module and the built-in set types.