diff --git a/src/hardware/gpio_pinout.md b/src/hardware/gpio_pinout.md
index 95c5a35..70f3967 100644
--- a/src/hardware/gpio_pinout.md
+++ b/src/hardware/gpio_pinout.md
@@ -1,17 +1,17 @@
 # GPIO Pinout
 
-The OLED bonnet (with buttons) and DS138 RTC module are connected to the Pi via GPIO pins.
+The OLED bonnet (with buttons) and DS1338 RTC module are connected to the Pi via GPIO pins.
 
-```
-3v3 Power                       -   1       // used by oled bonnet & rtc
-BCM 2       (SDA)               -   3       // used by oled bonnet & rtc
-BCM 3       (SCL)               -   5       // used by oled bonnet & rtc
-Ground                          -   6       // used by oled bonnet & rtc
-BCM 4       (joystick center)   -   7       // used by oled bonnet
-BCM 17      (joystick up)       -   11      // used by oled bonnet
-BCM 27      (joystick left)     -   13      // used by oled bonnet
-BCM 22      (joystick down)     -   15      // used by oled bonnet
-BCM 23      (joystick right)    -   16      // used by oled bonnet
-BCM 5       (button A)          -   29      // used by oled bonnet
-BCM 6       (button B)          -   31      // used by oled bonnet
-```
+| BCM Pin # | Function | Physical Pin # | Used By |
+| --- | --- | --- | --- |
+|   | 3v3 Power | 1 | OLED Bonnet & RTC |
+| BCM 2 | SDA | 3 | OLED Bonnet & RTC |
+| BCM 3 | SCL | 5 | OLED Bonnet & RTC |
+|   | Ground | 6 | OLED Bonnet & RTC |
+| BCM 4 | Joystick Center | 7 | OLED Bonnet |
+| BCM 17 | Joystick Up | 11 | OLED Bonnet |
+| BCM 27 | Joystick Left | 13 | OLED Bonnet |
+| BCM 22 | Joystick Down | 15 | OLED Bonnet |
+| BCM 23 | Joystick Right | 16 | OLED Bonnet |
+| BCM 5 | Button A | 29 | OLED Bonnet |
+| BCM 6 | Button B | 31 | OLED Bonnet |