Add a link to free-threading HOWTO to the index (follow-up to GH-119366) (GH-120703)

diff --git a/Doc/howto/index.rst b/Doc/howto/index.rst
index 9b72712a88926cac56d24ca03cb926a8bd89e3f5..a882f1747084fedf47e22261403ad5559aece781 100644 (file)
--- a/Doc/howto/index.rst
+++ b/Doc/howto/index.rst
@@ -52,6 +52,7 @@ General:
 Advanced development:
 
 * :ref:`curses-howto`
+* :ref:`freethreading-extensions-howto`
 * :ref:`isolating-extensions-howto`
 * :ref:`python_2.3_mro`
 * :ref:`socket-howto`