diff --git a/README.md b/README.md
index 6de7f6d..284f689 100644
--- a/README.md
+++ b/README.md
@@ -188,6 +188,7 @@ python3 can.py
 ```
 
 You can specify the number of lines to display and the port number.   
+Redisplay every 5 seconds.   
 ![can2http-flask](https://user-images.githubusercontent.com/6020549/202159650-65d30531-060e-4276-ac7f-529b33052b04.jpg)