diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/AutoMediaBrowserCallback.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/AutoMediaBrowserCallback.kt
index cbaa3879..a28a7249 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/AutoMediaBrowserCallback.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/AutoMediaBrowserCallback.kt
@@ -177,7 +177,12 @@ class AutoMediaBrowserCallback(var player: Player) :
         return onLoadChildren(parentId)
     }
 
-    // https://stackoverflow.com/questions/70096715/adding-mediaitem-when-using-the-media3-library-caused-an-error
+    
+    /*
+     * For some reason the LocalConfiguration of MediaItem are stripped somewhere in ExoPlayer,
+     * and thereby customarily it is required to rebuild it..
+     * See also: https://stackoverflow.com/questions/70096715/adding-mediaitem-when-using-the-media3-library-caused-an-error
+     */
     override fun onAddMediaItems(
         mediaSession: MediaSession,
         controller: MediaSession.ControllerInfo,
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/PlaybackService.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/PlaybackService.kt
index 3d456587..1cc994d2 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/PlaybackService.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/playback/PlaybackService.kt
@@ -42,11 +42,6 @@ class PlaybackService : MediaLibraryService(), KoinComponent {
 
     private var isStarted = false
 
-    /*
-     * For some reason the LocalConfiguration of MediaItem are stripped somewhere in ExoPlayer,
-     * and thereby customarily it is required to rebuild it..
-     */
-
     override fun onCreate() {
         Timber.i("onCreate called")
         super.onCreate()