diff --git a/daemon.fish b/daemon.fish
index 9134c16dd1a906e77a331a5d615f93c4e3e3d30e..17cc58f031c110ade0aeb16973d6f6a05f9c94b0 100755
--- a/daemon.fish
+++ b/daemon.fish
@@ -1,6 +1,5 @@
 #!/usr/bin/fish
-#Usage: fill _url with url of the page "学生->答题".
-#You must `echo "known" > /tmp/gay_known` to tell the script that you've been informed.
+#Usage: fill _openid with openid from url of the page "学生->答题".
 
 set _openid '593712dbd06b5808e4d4a099e8ad4c8d'
 set _url "https://www.teachermate.com.cn/wechat/wechat/guide/answer?openid=$_openid"