diff --git a/benches/copy.rs b/benches/copy.rs
index 5f91f315e..12d4531f0 100644
--- a/benches/copy.rs
+++ b/benches/copy.rs
@@ -73,7 +73,7 @@ impl SlowHddWriter {
     fn write_bytes(
         mut self: std::pin::Pin<&mut Self>,
         cx: &mut std::task::Context<'_>,
-        writeable: usize,
+        writable: usize,
     ) -> std::task::Poll<Result<usize, std::io::Error>> {
         let service_res = self.as_mut().service_write(cx);
 
@@ -86,7 +86,7 @@ impl SlowHddWriter {
             assert!(service_res.is_pending());
             Poll::Pending
         } else {
-            let written = available.min(writeable);
+            let written = available.min(writable);
             self.buffer_used += written;
             Poll::Ready(Ok(written))
         }
@@ -123,8 +123,8 @@ impl AsyncWrite for SlowHddWriter {
         cx: &mut std::task::Context<'_>,
         bufs: &[std::io::IoSlice<'_>],
     ) -> std::task::Poll<Result<usize, std::io::Error>> {
-        let writeable = bufs.iter().fold(0, |acc, buf| acc + buf.len());
-        self.write_bytes(cx, writeable)
+        let writable = bufs.iter().fold(0, |acc, buf| acc + buf.len());
+        self.write_bytes(cx, writable)
     }
 
     fn is_write_vectored(&self) -> bool {
diff --git a/tokio-util/src/io/write_all_vectored.rs b/tokio-util/src/io/write_all_vectored.rs
index c2b19a19c..df9a3a500 100644
--- a/tokio-util/src/io/write_all_vectored.rs
+++ b/tokio-util/src/io/write_all_vectored.rs
@@ -148,7 +148,7 @@ fn advance_slices<'a>(bufs: &mut &mut [IoSlice<'a>], n: usize) {
     *bufs = &mut std::mem::take(bufs)[remove..];
     if let Some(first) = bufs.first_mut() {
         let buf = &first[left..];
-        // necessary due to limitating in the borrow checker,
+        // Necessary due to a limitation in the borrow checker,
         // when tokio MSRV reaches 1.81.0 this entire function
         // can be replaced with `IoSlice::advance_slices`
         //
diff --git a/tokio/tests/rt_threaded.rs b/tokio/tests/rt_threaded.rs
index ffd79f3e9..b23daaeda 100644
--- a/tokio/tests/rt_threaded.rs
+++ b/tokio/tests/rt_threaded.rs
@@ -700,7 +700,7 @@ fn wake_deferred_tasks_before_block_in_place() {
     let (tx2, rx2) = oneshot::channel::<()>();
 
     let deferred_task = tokio_test::task::spawn(tokio::task::yield_now());
-    let deffered_task = Arc::new(Mutex::new(deferred_task));
+    let deferred_task = Arc::new(Mutex::new(deferred_task));
 
     let rt = runtime::Builder::new_multi_thread()
         .worker_threads(1)
@@ -708,7 +708,7 @@ fn wake_deferred_tasks_before_block_in_place() {
         .unwrap();
 
     let jh = {
-        let deferred_task = Arc::clone(&deffered_task);
+        let deferred_task = Arc::clone(&deferred_task);
         rt.spawn(async move {
             {
                 let mut lock = deferred_task.lock().unwrap();
@@ -728,7 +728,7 @@ fn wake_deferred_tasks_before_block_in_place() {
 
     // check that the deferred task was woken before the `block_in_place` ends
     let is_woken = {
-        let lock = deffered_task.lock().unwrap();
+        let lock = deferred_task.lock().unwrap();
         lock.is_woken()
     };