Minor update to spawn rustdoc to avoid confusion from usage of "fuse".
@@ -216,7 +216,8 @@ pub struct Spawn<T: ?Sized> {
obj: T,
}
-/// Spawns a new future, returning the fused future and task.
+/// Spawns a future or stream, returning it and the new task responsible for
+/// running it to completion.
///
/// This function is the termination endpoint for running futures. This method
/// will conceptually allocate a new task to run the given object, which is
