diff --git a/DnsServerCore/www/index.html b/DnsServerCore/www/index.html
index eb4e608b..95af350f 100644
--- a/DnsServerCore/www/index.html
+++ b/DnsServerCore/www/index.html
@@ -2025,6 +2025,18 @@ along with this program. If not, see .
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Enable this option to refresh records that are about to expire in cache. A prefetch background task for a cached record is triggered when it is queried for and the DNS server finds the record's TTL value to be less than the Prefetch Trigger value.
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@@ -2038,9 +2050,9 @@ along with this program. If not, see .
- seconds (recommended 9; set 0 to disable prefetching)
+ seconds (recommended 9)
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A record with TTL value less than trigger value will initiate prefetch operation immediately for itself.
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A record with TTL value less than trigger value will initiate prefetch operation immediately for itself when queried.