diff --git a/peps/pep-0503.rst b/peps/pep-0503.rst
index 4e29365d693..d7fb1ec1c79 100644
--- a/peps/pep-0503.rst
+++ b/peps/pep-0503.rst
@@ -10,6 +10,8 @@ Created: 04-Sep-2015
 Post-History: 04-Sep-2015
 Resolution: https://mail.python.org/pipermail/distutils-sig/2015-September/026899.html
 
+.. canonical-pypa-spec:: :ref:`packaging:simple-repository-api`
+
 
 Abstract
 ========
diff --git a/peps/pep-0691.rst b/peps/pep-0691.rst
index fb314c8b17a..6852ab63ac4 100644
--- a/peps/pep-0691.rst
+++ b/peps/pep-0691.rst
@@ -13,6 +13,8 @@ Created: 04-May-2022
 Post-History: `05-May-2022 <https://discuss.python.org/t/pep-691-json-based-simple-api-for-python-package-indexes/15553>`__
 Resolution: https://discuss.python.org/t/pep-691-json-based-simple-api-for-python-package-indexes/15553/70
 
+.. canonical-pypa-spec:: :ref:`packaging:simple-repository-api`
+
 
 Abstract
 ========