diff --git a/doc/stlp.rst b/doc/stlp.rst
index 81b40b94..11ad4802 100644
--- a/doc/stlp.rst
+++ b/doc/stlp.rst
@@ -11,6 +11,7 @@ Far-field Voice Assistant
    :maxdepth: 1
    :hidden:
 
+   extending
    stlp/audio_pipeline
 
 ========