--- a/dovecot-example.conf	Sat Dec 03 00:15:22 2005 +0200
+++ b/dovecot-example.conf	Tue Dec 06 14:54:42 2005 +0200
@@ -277,7 +277,10 @@
 # needed.
 #mail_never_cache_fields = 
 
-# Like mailbox_check_interval, but used for IDLE command.
+# When IDLE command is running, mailbox is checked once in a while to see if
+# there are any new mails or other changes. This setting defines the minimum
+# time to wait between those checks. Dovecot is however able to use dnotify
+# and inotify with Linux to reply immediately after the change occurs.
 #mailbox_idle_check_interval = 30
 
 # Allow full filesystem access to clients. There's no access checks other than