diff --git a/Document/VoiceCall.md b/Document/VoiceCall.md
index 9dbaae0..7fb8354 100644
--- a/Document/VoiceCall.md
+++ b/Document/VoiceCall.md
@@ -26,6 +26,7 @@ const play = require('play-dl');
 const {
 	createAudioPlayer,
 	createAudioResource,
+  NoSubscriberBehavior,
 } = require('@discordjs/voice');
 let stream = await play.stream('youtube link');
 let resource = createAudioResource(stream.stream, {