Fix typo in threading/shutdown.rs
@@ -37,7 +37,7 @@ const DEFAULT_TIMEOUT: Duration = Duration::from_secs(60);
pub trait ShutdownHandle {
/// Instructs the component to begin shutting down.
///
- /// For components with treads, this should break out of any loops and ready the threads for
+ /// For components with threads, this should break out of any loops and ready the threads for
/// being joined.
fn signal_shutdown(&mut self);
