diff --git a/XBox360_XInput/README.md b/XBox360_XInput/README.md
index a716d2d..134742b 100644
--- a/XBox360_XInput/README.md
+++ b/XBox360_XInput/README.md
@@ -25,22 +25,22 @@ https://forum.arduino.cc/index.php?topic=427828.0
 - https://store.curiousinventor.com/guides/PS2
 - https://github.com/SukkoPera/PsxNewLib/issues/12
 
-PSX | SPI | Uno | Pro Micro
+PSX | SPI | Uno | Pro Micro | notes
 --- | --- | --- | ---
-1 DATA (brown ![#brown](https://via.placeholder.com/10/c68c53/000000?text=+)) | MISO | D12 (PB4) | D14 (PB3)
-2 CMD (orange ![#orange](https://via.placeholder.com/10/ff8000/000000?text=+)) | MOSI | D11 (PB3) | D16 (PB2)
-3 Vibration power (7.2-9V) (grey ![#grey](https://via.placeholder.com/10/999999/000000?text=+)) | | |
-4 GND (black ![#black](https://via.placeholder.com/10/000000/000000?text=+)) | | GND | GND
-5 VCC (3.3V) (red ![#red](https://via.placeholder.com/10/ff0000/000000?text=+)) | | VCC | VCC
-6 ATT (yellow ![#yellow](https://via.placeholder.com/10/ffff00/000000?text=+)) | SS | D10 (PB2) | D17 (PB0/RX_LED)
-7 CLK (blue ![#blue](https://via.placeholder.com/10/0000ff/000000?text=+)) | SCK | D13 (PB5) | D15 (PB1)
-8 unknown (white ![#white](https://via.placeholder.com/10/ffffff/000000?text=+)) | | |
-9 ACK (green ![#green](https://via.placeholder.com/10/00ff00/000000?text=+)) | | |
- | | | |
-1 VCC (3.3V) | | |
-2 SCL | | A5 (PC5) | D3 (PD0)
-3 Detect device (3.3V) | - | - | -
-4 NC | | |
-5 SDA | | A4 (PC4) | D2 (PD1)
-6 GND | | |
+1 DATA (brown ![#brown](https://via.placeholder.com/10/c68c53/000000?text=+)) | MISO → | D12 (PB4) | D14 (PB3) |
+2 CMD (orange ![#orange](https://via.placeholder.com/10/ff8000/000000?text=+)) | MOSI ← | D11 (PB3) | D16 (PB2) |
+3 Vibration power (7.2-9V) (grey ![#grey](https://via.placeholder.com/10/999999/000000?text=+)) | | | |
+4 GND (black ![#black](https://via.placeholder.com/10/000000/000000?text=+)) | | GND | GND |
+5 VCC (3.3V) (red ![#red](https://via.placeholder.com/10/ff0000/000000?text=+)) | | VCC | VCC |
+6 ATT (yellow ![#yellow](https://via.placeholder.com/10/ffff00/000000?text=+)) | SS ← | D10 (PB2) | D10 | (pro micro: SS would be D17 (PB0/RX_LED), but there is no pin D17)
+7 CLK (blue ![#blue](https://via.placeholder.com/10/0000ff/000000?text=+)) | SCK ← | D13 (PB5) | D15 (PB1) |
+8 unknown (white ![#white](https://via.placeholder.com/10/ffffff/000000?text=+)) | | | |
+9 ACK (green ![#green](https://via.placeholder.com/10/00ff00/000000?text=+)) | | | | (when this is needed?)
+ | | | | |
+1 VCC (3.3V) | | | |
+2 SCL | | A5 (PC5) | D3 (PD0) |
+3 Detect device (3.3V) | - | - | - |
+4 NC | | | |
+5 SDA | | A4 (PC4) | D2 (PD1) |
+6 GND | | | |