Connection-to-national-centers.md

-* VPN OCA If you want to be allowed to connect when connected  through the OCA's VPN, you need to declare
+
+
+## When connected at OCA through VPN
+
+You need to declare the following connection information:
   * FQDN: `vpn-n-nat1.oca.eu`
   * IP: `192.54.174.98`
-* DNS:If you want to be allowed when connected through a regular wired connection, you need to declare the domain name server associated with you building:
+
+## When connected to OCA through a regular wired connection
+You need to declare the information matching you building DNS:
+### Mont Gros
   * PHC
     * FQDN: `natintphc.oca.eu`,  IP: `192.54.176.194`
   * CION