diff --git a/userspace/SWUTS.h b/userspace/SWUTS.h
index 6866a8ea0..6a62f62ab 100644
--- a/userspace/SWUTS.h
+++ b/userspace/SWUTS.h
@@ -34,6 +34,7 @@
  *   - @ref SWUTS-init
  *   - @ref SWUTS-interface-atomic
  *   - @ref SWUTS-mm-vm
+ *   - @ref SWUTS-sdl
  *
  */