diff --git a/docs/additional/dns.md b/docs/additional/dns.md
index 5f82170..9ef68c6 100644
--- a/docs/additional/dns.md
+++ b/docs/additional/dns.md
@@ -1,18 +1,21 @@
-# Servers
 
-## Recursive
+# DNS
+
+## Servers
+
+### Recursive
 
 | DNS | IP address |
 | --- | --- |
 | recur1.bandura.crxn | fd92:58b6:2b2::5353 |
 
-## Authoritative
+### Authoritative
 
 | DNS | IP address |
 | --- | --- |
 | ns1.crxn | fd92:58b6:2b2::54 |
 
-# Resolve CRXN domains only
+## Resolve CRXN domains only
 
 Advantage:
 - Very simple configuration
@@ -28,7 +31,7 @@ The configuration of this differs depending on the operating system. For example
 nameserver fd92:58b6:2b2::5353
 ```
 
-# Run your own forwarder
+## Run your own forwarder
 
 Advantage:
 - Simple configuration
@@ -40,7 +43,7 @@ With this method, you run a small DNS server of your own, which receives and for
 
 There are several software you can use for this.
 
-## Coredns
+### Coredns
 
 This guide is for Debian based systems.
 First you need to download Coredns. You can find the software at https://coredns.io/. As a download package you get a compressed file. Extract it and make the file `coredns` executable and copy it into the directory `/usr/local/bin`.