Fix typo

Co-authored-by: windsurf-bot[bot] <189301087+windsurf-bot[bot]@users.noreply.github.com>

Author: hannes-cf

src/content/changelog/dns/2025-06-11-nsec3-support.mdx

@@ -8,7 +8,7 @@ Enterprise customers can now select NSEC3 as method for proof of non-existence o
 
 What's new:
 
-- **NSEC3 support for live-signed zones** – For both primary and seconadry zones that are configured to be live-signed (also known as "on-the-fly signing"), NSEC3 can now be selected as proof of non-existence.
+- **NSEC3 support for live-signed zones** – For both primary and secondary zones that are configured to be live-signed (also known as "on-the-fly signing"), NSEC3 can now be selected as proof of non-existence.
 
 - **NSEC3 support for pre-signed zones** – Secondary zones that are transferred to Cloudflare in a [pre-signed setup](/dns/zone-setups/zone-transfers/cloudflare-as-secondary/dnssec-for-secondary/#set-up-pre-signed-dnssec) now also support NSEC3 as proof of non-existence.