diff --git a/README.md b/README.md
index 27d79cf..3e7ff70 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ The certificate file was generated using
 [minica](https://github.com/jsha/minica) and
 [openssl](https://www.openssl.org/):
 
-```
+```text
 minica --domains localhost -ip-addresses 127.0.0.1 -ca-cert certificate.pem
 openssl pkcs12 -export -out identity.pfx -inkey localhost/key.pem -in localhost/cert.pem
 ```