some spelling fixes (#4088)

* quotes around Job::ToJob
* add new words to dictionary

polkadot/node/collation-generation/src/lib.rs

@@ -62,7 +62,7 @@ impl CollationGenerationSubsystem {
 	/// Conceptually, this is very simple: it just loops forever.
 	///
 	/// - On incoming overseer messages, it starts or stops jobs as appropriate.
-	/// - On other incoming messages, if they can be converted into Job::ToJob and
+	/// - On other incoming messages, if they can be converted into `Job::ToJob` and
 	///   include a hash, then they're forwarded to the appropriate individual job.
 	/// - On outgoing messages from the jobs, it forwards them to the overseer.
 	///

polkadot/node/metered-channel/src/oneshot.rs

@@ -95,7 +95,7 @@ pub fn channel<T>(
 #[allow(missing_docs)]
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
-	#[error("Oneshot was cancelled.")]
+	#[error("Oneshot was canceled.")]
 	Canceled(#[source] Canceled, Measurements),
 	#[error("Oneshot did not receive a response within {}", Duration::as_secs_f64(.0))]
 	HardTimeout(Duration, Measurements),
@@ -124,7 +124,7 @@ impl<T> MeteredSender<T> {
 		inner.send((Instant::now(), t)).map_err(|(_, t)| t)
 	}
 
-	/// Poll if the thing is already cancelled.
+	/// Poll if the thing is already canceled.
 	pub fn poll_canceled(&mut self, ctx: &mut Context<'_>) -> Poll<()> {
 		self.inner.poll_canceled(ctx)
 	}

polkadot/node/subsystem-util/src/lib.rs

@@ -638,7 +638,7 @@ struct JobSubsystemParams<Spawner, RunArgs, Metrics> {
 /// Conceptually, this is very simple: it just loops forever.
 ///
 /// - On incoming overseer messages, it starts or stops jobs as appropriate.
-/// - On other incoming messages, if they can be converted into Job::ToJob and
+/// - On other incoming messages, if they can be converted into `Job::ToJob` and
 ///   include a hash, then they're forwarded to the appropriate individual job.
 /// - On outgoing messages from the jobs, it forwards them to the overseer.
 pub struct JobSubsystem<Job: JobTrait, Spawner> {