diff --git a/boards/beaglebone/ai/04-expansion.rst b/boards/beaglebone/ai/04-expansion.rst
index a5c52060da05294231e86bdcefaf0192c542cda7..a2f5af0233ed6b537369d4fe36b72c02d3f675e2 100644
--- a/boards/beaglebone/ai/04-expansion.rst
+++ b/boards/beaglebone/ai/04-expansion.rst
@@ -1639,8 +1639,7 @@ BeagleBone® Black Cape Compatibility
 
 TODO
 
-See https://elinux.org/Beagleboard:BeagleBone_cape_interface_spec for
-now.
+See :ref:`beaglebone-cape-interface-spec` for now.
 
 EEPROM
 ************