diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
index d822d83164db6f..864105d43c90dc 100644
--- a/Doc/whatsnew/3.12.rst
+++ b/Doc/whatsnew/3.12.rst
@@ -133,7 +133,7 @@ Security improvements:
 
 C API improvements:
 
-* :ref:`PEP 697 <whatsnew312-pep697>`, unstable C API tier
+* :ref:`PEP 689 <whatsnew312-pep689>`, unstable C API tier
 * :ref:`PEP 683 <whatsnew312-pep683>`, immortal objects
 
 CPython implementation improvements:
@@ -1861,9 +1861,9 @@ C API Changes
 New Features
 ------------
 
-.. _whatsnew312-pep697:
+.. _whatsnew312-pep689:
 
-* :pep:`697`: Introduce the :ref:`Unstable C API tier <unstable-c-api>`,
+* :pep:`689`: Introduce the :ref:`Unstable C API tier <unstable-c-api>`,
   intended for low-level tools like debuggers and JIT compilers.
   This API may change in each minor release of CPython without deprecation
   warnings.
@@ -1885,6 +1885,8 @@ New Features
 
   (Contributed by Petr Viktorin in :gh:`101101`.)
 
+.. _whatsnew312-pep697:
+
 * :pep:`697`: Add an API for extending types whose instance memory layout is
   opaque: