From 83424e7ba4c8e116ca5d39bf352c84258482d8c0 Mon Sep 17 00:00:00 2001
From: alexandergott-afk <alexander.gott@patentamt.at>
Date: Thu, 12 Feb 2026 15:32:53 +0100
Subject: [PATCH] Add the information from my last accepted pull that the TSIG
 key is optional.

---
 dnsapi/dns_nsupdate.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dnsapi/dns_nsupdate.sh b/dnsapi/dns_nsupdate.sh
index cc57cc38..8d7fe2c0 100755
--- a/dnsapi/dns_nsupdate.sh
+++ b/dnsapi/dns_nsupdate.sh
@@ -6,7 +6,7 @@ Docs: github.com/acmesh-official/acme.sh/wiki/dnsapi#dns_nsupdate
 Options:
  NSUPDATE_SERVER Server hostname. Default: "localhost".
  NSUPDATE_SERVER_PORT Server port. Default: "53".
- NSUPDATE_KEY File path to TSIG key. Default: ""
+ NSUPDATE_KEY File path to TSIG key. Default: "". Optional.
  NSUPDATE_ZONE Domain zone to update. Optional.
 '