diff --git a/README.md b/README.md
index aa092ca..3a74fa3 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,9 @@
 - `chmod 755 /etc/postfix /etc/postfix/main.cf /etc/postfix/dynamicmaps.cf`
 
 - `/etc/postfix/master.cf` example:
+
   > `spamassassin` host should resolve the IP of this container.
+
   ```
   smtp      inet  n       -       n       -       -       smtpd
     -o content_filter=spamassassin