diff --git a/FTP-server.md b/FTP-server.md
index 960ab3b..4a3b086 100644
--- a/FTP-server.md
+++ b/FTP-server.md
@@ -13,7 +13,7 @@ There are several Open Source SFTP clients for all operating systems out there.
 The login data is as follows:
 
 * Host name: `ftp.bunkus.org`
-* Port number: 2222
+* Port number: `2222`
 * File protocol: "SFTP" (for command line users: use the `sftp` command, not `scp`)
 * User name: `upload`
 * Password: `only`