diff --git a/vaultwarden/readme.md b/vaultwarden/readme.md
index f49a6a0..0c1db93 100644
--- a/vaultwarden/readme.md
+++ b/vaultwarden/readme.md
@@ -109,7 +109,7 @@ Vaultwarden's documentation has a
 [section on reverse proxy.](https://github.com/dani-garcia/bitwarden_rs/wiki/Proxy-examples)
 
 `Caddyfile`
-```json
+```lua
 vault.{$MY_DOMAIN} {
   encode gzip