diff --git a/docs/source/index.rst b/docs/source/index.rst
index fff0bfd..3fb460f 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -12,6 +12,7 @@
 
    operations.rst
    onu-state-machine.rst
+   olt-state-machine.rst
    development-dependencies.rst
    bbr.rst
    bbsimctl.rst