chore: fix spelling mistakes (#4858)

Signed-off-by: Josh Soref <[email protected]>

tokio-util/src/sync/cancellation_token/tree_node.rs

@@ -200,7 +200,7 @@ where
 /// `parent` MUST have been a parent of the node when they both got locked,
 /// otherwise there is a potential for a deadlock as invariant #2 would be violated.
 ///
-/// To aquire the locks for node and parent, use [with_locked_node_and_parent].
+/// To acquire the locks for node and parent, use [with_locked_node_and_parent].
 fn move_children_to_parent(node: &mut Inner, parent: &mut Inner) {
     // Pre-allocate in the parent, for performance
     parent.children.reserve(node.children.len());
@@ -218,7 +218,7 @@ fn move_children_to_parent(node: &mut Inner, parent: &mut Inner) {
 /// Removes a child from the parent.
 ///
 /// `parent` MUST be the parent of `node`.
-/// To aquire the locks for node and parent, use [with_locked_node_and_parent].
+/// To acquire the locks for node and parent, use [with_locked_node_and_parent].
 fn remove_child(parent: &mut Inner, mut node: MutexGuard<'_, Inner>) {
     // Query the position from where to remove a node
     let pos = node.parent_idx;

tokio-util/src/sync/tests/loom_cancellation_token.rs

@@ -80,7 +80,7 @@ fn drop_token_no_child() {
 }
 
 #[test]
-fn drop_token_with_childs() {
+fn drop_token_with_children() {
     loom::model(|| {
         let token1 = CancellationToken::new();
         let child_token1 = token1.child_token();