Update README.md
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@@ -11,7 +11,7 @@ Every `POLL_INTERVAL` seconds, DNS Keeper will check if the IPv4 in the domain(s
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valid by seeing if `DNS_KEEPER_RECORD`.`DNS_KEEPER_DOMAIN` still points to itself.
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> [!NOTE]
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> On startup DNS Keeper starts a detached thread with a UDP socket on which it answers with
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> On startup DNS Keeper starts a detached thread with a UDP socket on which it answers
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> a random set of challenge bytes.
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> DNS Keeper will send an empty data-frame to its own socket using
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> the DNS resolved IPv4 address to see if it gets a response with the correct challenge bytes.
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