Fix typo in future::Fuse example: s/termianted/terminated/
@@ -38,7 +38,7 @@ impl<Fut: Future> Fuse<Fut> {
/// sender.unbounded_send(()).unwrap();
/// drop(sender);
///
- /// // Use `Fuse::termianted()` to create an already-terminated future
+ /// // Use `Fuse::terminated()` to create an already-terminated future
/// // which may be instantiated later.
/// let foo_printer = Fuse::terminated();
/// pin_mut!(foo_printer);
