diff --git a/peps/pep-0617.rst b/peps/pep-0617.rst
index 361a5202a..8de9ca913 100644
--- a/peps/pep-0617.rst
+++ b/peps/pep-0617.rst
@@ -10,7 +10,7 @@ Created: 24-Mar-2020
 Python-Version: 3.9
 Post-History: 02-Apr-2020
 
-.. canonical-doc:: `the full grammar specification <https://docs.python.org/3/reference/grammar.html>`__
+.. canonical-doc:: :ref:`python:full-grammar-specification`
 
 .. highlight:: PEG