diff --git a/Optional-Hardening.md b/Optional-Hardening.md
index 96fda64..8785d7f 100644
--- a/Optional-Hardening.md
+++ b/Optional-Hardening.md
@@ -58,7 +58,9 @@ user_pref("network.cookie.sameSite.schemeful", true);
 
 ***
 
-### Secure DNS (DoH setup)
+### Secure DNS
+Setup and enforce DNS-over-HTTPS (DoH).
+
 #### Provider
 * Use the one below, or [choose](https://github.com/curl/curl/wiki/DNS-over-HTTPS) your preferred provider.
 * We recommend that you [create a profile](https://nextdns.io/?from=xujj63g5) with NextDNS and follow our [configuration guide](https://github.com/yokoffing/NextDNS-Config).