diff --git a/docs/extensions/sass/index.rst b/docs/extensions/sass/index.rst
index b416551..65b5bf4 100644
--- a/docs/extensions/sass/index.rst
+++ b/docs/extensions/sass/index.rst
@@ -2,6 +2,8 @@
 atsphinx.toybox.sass
 ====================
 
+.. note:: Added by v2024.12.2
+
 Overview
 ========