ssh writing out extra text on error

Issue

• Extra messages are written out when there is a ssh error

  $ ssh -oConnectTimeout=1 XXX.XXX.XXX.XXX
  ssh: connect to host XXX.XXX.XXX.XXX port 22: Connection timed out
                                                                    <---
  You can find some explanations for typical errors at this link:   <---  
          https://red.ht/support_rhel_ssh                           <---
  

• How to suppress the new error messages from ssh.