diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index 8da389b74..c4f245ffe 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
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