diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index c4f245ffe..96391b1b0 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/overview.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
@@ -9,23 +9,23 @@ Reserver Pins & GPIOs
 
 The table below summarizes GPIOs and pins reserved for operations purposes.
 
-+------+-----+---------------------------------------------------------+-----------+
-| GPIO | Pin | Function                                                | Notes |
-+======+=====+=========================================================+===========+
-| 0    | 16  | Joystick x-axis                                         | ADC1_CH0      |
-+------+-----+---------------------------------------------------------+-----------+
-| 1    | 15  | Joystick y-axis                                         | ADC1_CH1      |
-+------+-----+---------------------------------------------------------+-----------+
-| 8    | 5   | Joystick push button                                    | Data      |
-+------+-----+---------------------------------------------------------+-----------+
-| 6    | 4   | PWM for clockwise rotation of left-side motors          | LEDC_CHANNEL_1      |
-+------+-----+---------------------------------------------------------+-----------+
-| 5    | 3   | PWM for clockwise rotation of right-side motors         | LEDC_CHANNEL_0      |
-+------+-----+---------------------------------------------------------+-----------+
-| 4    | 2   | PWM for counter-clockwise rotation of right-side motors | LEDC_CHANNEL_2      |
-+------+-----+---------------------------------------------------------+-----------+
-| 7    | 6   | PWM for counter-clockwise rotation of left-side motors  | LEDC_CHANNEL_3      |
-+------+-----+---------------------------------------------------------+-----------+
++------+-----+---------------------------------------------------------+----------------+
+| GPIO | Pin | Function                                                | Notes          |
++======+=====+=========================================================+================+
+| 0    | 16  | Joystick x-axis                                         | ADC1_CH0       |
++------+-----+---------------------------------------------------------+----------------+
+| 1    | 15  | Joystick y-axis                                         | ADC1_CH1       |
++------+-----+---------------------------------------------------------+----------------+
+| 8    | 5   | Joystick push button                                    | Data           |
++------+-----+---------------------------------------------------------+----------------+
+| 6    | 4   | PWM for clockwise rotation of left-side motors          | LEDC_CHANNEL_1 |
++------+-----+---------------------------------------------------------+----------------+
+| 5    | 3   | PWM for clockwise rotation of right-side motors         | LEDC_CHANNEL_0 |
++------+-----+---------------------------------------------------------+----------------+
+| 4    | 2   | PWM for counter-clockwise rotation of right-side motors | LEDC_CHANNEL_2 |
++------+-----+---------------------------------------------------------+----------------+
+| 7    | 6   | PWM for counter-clockwise rotation of left-side motors  | LEDC_CHANNEL_3 |
++------+-----+---------------------------------------------------------+----------------+
 
 Schematic
 ---------