diff --git a/conf/ezbookkeeping.ini b/conf/ezbookkeeping.ini
index ad0317d6..b2e15e11 100644
--- a/conf/ezbookkeeping.ini
+++ b/conf/ezbookkeeping.ini
@@ -106,7 +106,7 @@ checker_type = in_memory
 # For "in_memory" only, cleanup expired data interval seconds (0 - 4294967295), default is 60 (1 minutes)
 cleanup_interval = 60
 
-# The minimum interval seconds between duplicate submissions on the same page (exiting and re-entering the page is considered as a new session)
+# The minimum interval seconds (0 - 4294967295) between duplicate submissions on the same page (exiting and re-entering the page is considered as a new session)
 # Set to 0 to disable duplicate checker for new data submissions, default is 300 (5 minutes)
 duplicate_submissions_interval = 300