diff --git a/README.md b/README.md
index a6df840..ebba8f0 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,8 @@ import asyncio
 
 async def main():
     chat = ReplayChatAsync("G1w62uEMZ74", seektime = 1000, callback = func)
+      while chat.is_alive():
+        await asyncio.sleep(3)
         #other background operation here.
 
 #callback function is automatically called periodically.