Update README.md

README.md

@@ -4,6 +4,8 @@ Monitors the number of connections on a Cisco ASA firewall and Cisco Firepower T
 
 **Note: Item changed from*Cisco ASA connections* to *Firewall connections***
 
+**Note: CMK 2.0 has its one ASA connection check, except for minimum (lower levels) and support for FTD devices. If you need this write me a mail (thl-cmk[at]outlook[dot]com);-).**
+
 Check Info:
 
 * *service*: this check creates the service *Cisco ASA connections*