diff --git a/Optional-Hardening.md b/Optional-Hardening.md
index 55b5156..35742b2 100644
--- a/Optional-Hardening.md
+++ b/Optional-Hardening.md
@@ -144,7 +144,7 @@ You can allow exceptions if you want to stay logged in to some sites.
 ### Secure DNS
 Setup and enforce [DNS-over-HTTPS](https://support.mozilla.org/en-US/kb/firefox-dns-over-https) (DoH).
 
-#### Provider
+#### DoH Provider
 Use the provider below for better [threat protection](https://quad9.net/service/threat-blocking/).
 
 :star: Create a profile with [NextDNS](https://nextdns.io/?from=xujj63g5) and follow our [configuration guide](https://github.com/yokoffing/NextDNS-Config) for greater protection from ads, trackers, and security threats.