Make docs technically correct

src/client/voice/VoiceBroadcast.js

@@ -38,7 +38,27 @@ class VoiceBroadcast extends EventEmitter {
     return this.player.dispatcher;
   }
 
-  play() {} // eslint-disable-line no-empty-function
+  /**
+   * Play an audio resource.
+   * @param {ReadableStream|string} resource The resource to play.
+   * @param {StreamOptions} [options] The options to play.
+   * @example
+   * // Play a local audio file
+   * connection.play('/home/hydrabolt/audio.mp3', { volume: 0.5 });
+   * @example
+   * // Play a ReadableStream
+   * connection.play(ytdl('https://www.youtube.com/watch?v=ZlAU_w7-Xp8', { filter: 'audioonly' }));
+   * @example
+   * // Play a voice broadcast
+   * const broadcast = client.createVoiceBroadcast();
+   * broadcast.play('/home/hydrabolt/audio.mp3');
+   * connection.play(broadcast);
+   * @example
+   * // Using different protocols: https://ffmpeg.org/ffmpeg-protocols.html
+   * connection.play('http://www.sample-videos.com/audio/mp3/wave.mp3');
+   * @returns {BroadcastDispatcher}
+   */
+  play() { return null; }
 }
 
 PlayInterface.applyToClass(VoiceBroadcast);