update example doc

crates/bevy_audio/src/lib.rs

@@ -32,6 +32,7 @@ pub mod prelude {
     #[doc(hidden)]
     pub use crate::{
         Audio, AudioOutput, AudioSink, AudioSinkExt, AudioSource, Decodable, PlaybackSettings,
+        SpatialAudioSink,
     };
 }
 

examples/audio/spatial_audio.rs

@@ -1,6 +1,5 @@
-//! This example illustrates how to load and play an audio file, and control how it's played.
-
-use bevy::{audio::SpatialAudioSink, prelude::*};
+//! This example illustrates how to load and play an audio file, and control where the sounds seems to come from.
+use bevy::prelude::*;
 
 fn main() {
     App::new()