diff --git a/rp2040-hal/examples/blinky.rs b/rp2040-hal/examples/blinky.rs
index cf54150..e567df8 100644
--- a/rp2040-hal/examples/blinky.rs
+++ b/rp2040-hal/examples/blinky.rs
@@ -18,7 +18,9 @@ fn main() -> ! {
     let mut pac = rp2040_pac::Peripherals::take().unwrap();
 
     let sio = Sio::new(pac.SIO);
-    let pins = pac.IO_BANK0.split(pac.PADS_BANK0, sio.gpio_bank0, &mut pac.RESETS);
+    let pins = pac
+        .IO_BANK0
+        .split(pac.PADS_BANK0, sio.gpio_bank0, &mut pac.RESETS);
     let mut led_pin = pins.gpio25.into_output();
 
     loop {
diff --git a/rp2040-hal/examples/gpio_in_out.rs b/rp2040-hal/examples/gpio_in_out.rs
index f405135..21947bf 100644
--- a/rp2040-hal/examples/gpio_in_out.rs
+++ b/rp2040-hal/examples/gpio_in_out.rs
@@ -20,7 +20,9 @@ fn main() -> ! {
     let mut pac = rp2040_pac::Peripherals::take().unwrap();
 
     let sio = Sio::new(pac.SIO);
-    let pins = pac.IO_BANK0.split(pac.PADS_BANK0, sio.gpio_bank0, &mut pac.RESETS);
+    let pins = pac
+        .IO_BANK0
+        .split(pac.PADS_BANK0, sio.gpio_bank0, &mut pac.RESETS);
     let mut led_pin = pins.gpio25.into_output();
     let button_pin = pins.gpio15.into_input().pull_up();
 
diff --git a/rp2040-hal/src/lib.rs b/rp2040-hal/src/lib.rs
index 500dc5a..9c0cb0d 100644
--- a/rp2040-hal/src/lib.rs
+++ b/rp2040-hal/src/lib.rs
@@ -21,6 +21,7 @@ pub mod prelude;
 pub mod pwm;
 pub mod rom_data;
 pub mod rtc;
+pub mod sio;
 pub mod spi;
 pub mod ssi;
 pub mod timer;
@@ -28,4 +29,3 @@ pub mod uart;
 pub mod usb;
 pub mod watchdog;
 pub mod xosc;
-pub mod sio;
diff --git a/rp2040-hal/src/sio.rs b/rp2040-hal/src/sio.rs
index 37be161..111376b 100644
--- a/rp2040-hal/src/sio.rs
+++ b/rp2040-hal/src/sio.rs
@@ -1,4 +1,4 @@
-//! Single Cycle Input and Output (CIO)
+//! Single Cycle Input and Output (SIO)
 //!
 //! To be able to partition parts of the SIO block to other modules:
 //!
@@ -15,14 +15,16 @@ use super::*;
 use core::marker::PhantomData;
 
 /// Marker struct for ownership of SIO gpio bank0
-pub struct SioGpioBank0 { _private: PhantomData<u32> }
+pub struct SioGpioBank0 {
+    _private: PhantomData<u32>,
+}
 
 /// Struct containing ownership markers for managing ownership of the SIO registers.
 pub struct Sio {
-    _sio : pac::SIO,
+    _sio: pac::SIO,
 
     /// GPIO Bank 0 registers
-    pub gpio_bank0 : SioGpioBank0,
+    pub gpio_bank0: SioGpioBank0,
     // we can hand out other things here, for example:
     // gpio_qspi
     // divider
@@ -31,11 +33,13 @@ pub struct Sio {
 }
 impl Sio {
     /// Create `Sio` from the PAC.
-    pub fn new(sio : pac::SIO) -> Self {
+    pub fn new(sio: pac::SIO) -> Self {
         Self {
             _sio: sio,
 
-            gpio_bank0: SioGpioBank0 { _private: PhantomData }
+            gpio_bank0: SioGpioBank0 {
+                _private: PhantomData,
+            },
         }
     }
-}
\ No newline at end of file
+}