diff --git a/tool/iscloudflarebot.md b/tool/iscloudflarebot.md
index 8ffd6a1ec..d4b0d89d0 100644
--- a/tool/iscloudflarebot.md
+++ b/tool/iscloudflarebot.md
@@ -53,7 +53,7 @@ Cloudflare is great!
 
 **2**. The bot will detect it.
 
-If you post above sentence and delete it immediately, the bot will not notice it so keep your toot at least 1 hour.
+If you post above sentence and delete it immediately, the bot will not notice it so `keep your toot at least 6 hours`.
 
 **3**. After that, you will no longer receive any replies. Congratulations.