chore: fix some minor issues in the comments

embedded-hal-bus/src/spi/atomic.rs

@@ -12,7 +12,7 @@ use crate::util::AtomicCell;
 /// each with its own `CS` pin.
 ///
 /// Sharing is implemented with a [`AtomicDevice`], which consists of an `UnsafeCell` and an `AtomicBool` "locked" flag.
-/// This means it has low overhead, like [`RefCellDevice`](crate::spi::RefCellDevice). Aditionally, it is `Send`,
+/// This means it has low overhead, like [`RefCellDevice`](crate::spi::RefCellDevice). Additionally, it is `Send`,
 /// which allows sharing a single bus across multiple threads (interrupt priority level), like [`CriticalSectionDevice`](crate::spi::CriticalSectionDevice),
 /// while not using critical sections and therefore impacting real-time performance less.
 ///

embedded-io-adapters/src/tokio_1.rs

@@ -96,7 +96,7 @@ impl<T: tokio::io::AsyncWrite + Unpin + ?Sized> embedded_io_async::Write for Fro
 impl<T: tokio::io::AsyncSeek + Unpin + ?Sized> embedded_io_async::Seek for FromTokio<T> {
     async fn seek(&mut self, pos: embedded_io::SeekFrom) -> Result<u64, Self::Error> {
         // Note: `start_seek` can return an error if there is another seek in progress.
-        // Therefor it is recommended to call `poll_complete` before any call to `start_seek`.
+        // Therefore it is recommended to call `poll_complete` before any call to `start_seek`.
         poll_fn(|cx| Pin::new(&mut self.inner).poll_complete(cx)).await?;
         Pin::new(&mut self.inner).start_seek(pos.into())?;
         poll_fn(|cx| Pin::new(&mut self.inner).poll_complete(cx)).await