diff --git a/README.md b/README.md
index bde01f5..e608ad8 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ server {
 
 # DNS
 
-```
+```dns
 _matrix-fed._tcp.berlin.ccc.de.  IN SRV    10 0 443 matrix.berlin.ccc.de.
 _matrix-fed._tcp.berlin.ccc.de.  IN SRV    10 0 443 matrix.berlin.ccc.de.
 matrix.berlin.ccc.de.            IN A      195.160.173.25