diff --git a/ESP-IDF_Robot/tutorial/docs/source/index.rst b/ESP-IDF_Robot/tutorial/docs/source/index.rst
index ea86fc8e7..a363a912d 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/index.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/index.rst
@@ -17,3 +17,4 @@ ByteRider documentation
    transmitter
    receiver
    progress
+   references