Adding subdomain with Centmin.sh option 2 generates www.

• CentOS Version: CentOS 7 64bit
• Centmin Mod Version Installed: 123.09beta01
• Nginx Version Installed: 1.11.9
• PHP Version Installed: 7.0.15
• MariaDB MySQL Version Installed: 10.1.20
• When was last time updated Centmin Mod code base ? : Today

Just wondering if this is correct practice or a bug in the vhost generator.
I created a subdomain for my CDN and inside my vhost config:

Code (Text):

server {
 
  server_name cdn.example.com www.cdn.example.com;

www.cdn.example.com is OK?

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Oh yeah duhhh...why didn't I think of that