diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index 3a21c10ff..507183367 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/overview.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
@@ -30,7 +30,7 @@ Changing PWM on each channel determines the speed and direction of the RC car.
.. raw:: html
-
+
+------+-----+---------------------------------------------------------+----------------+
| GPIO | Pin | Function | Notes |