diff --git a/source/index_advanced_configuration.rst b/source/index_advanced_configuration.rst
index acd8649d..74ae7ed5 100644
--- a/source/index_advanced_configuration.rst
+++ b/source/index_advanced_configuration.rst
@@ -4,4 +4,5 @@ Advanced configuration
 .. toctree::
    :maxdepth: 2
 
-   network_boot
\ No newline at end of file
+   network_boot
+   mixer_tool
\ No newline at end of file