diff --git a/source/clear-linux/concepts/concepts.rst b/source/clear-linux/concepts/concepts.rst
index a1f9e881..476b5c8f 100644
--- a/source/clear-linux/concepts/concepts.rst
+++ b/source/clear-linux/concepts/concepts.rst
@@ -11,5 +11,6 @@ details relevant to the |CL| features.
    :maxdepth: 2
 
    swupd-about
+   mixer-about
    bundles-about
    restart