diff --git a/docs/specs/nfc_PN532_Manual_V3.pdf b/docs/specs/nfc_PN532_Manual_V3.pdf
new file mode 100644
index 0000000..4278b12
Binary files /dev/null and b/docs/specs/nfc_PN532_Manual_V3.pdf differ
diff --git a/src/bin/main.rs b/src/bin/main.rs
index 001ac7d..eb4c02e 100644
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@@ -100,8 +100,8 @@ async fn main(spawner: Spawner) {
         down: Input::new(peripherals.GPIO39, button_config),
         left: Input::new(peripherals.GPIO40, button_config),
         right: Input::new(peripherals.GPIO41, button_config),
-        back: Input::new(peripherals.GPIO42, button_config),
-        ok: Input::new(peripherals.GPIO45, button_config),
+        back: Input::new(peripherals.GPIO8, button_config),
+        ok: Input::new(peripherals.GPIO0, button_config),
     };
 
     log::info!("Setup complete, entering main loop");