In fleetctl expired license message, update doc link (#6486)

- Update message to include correct link: https://fleetdm.com/docs/using-fleet/faq#how-do-i-downgrade-from-fleet-premium-to-fleet-free

docs/Using-Fleet/FAQ.md

@@ -283,6 +283,8 @@ Apart from an admin [disabling usage](https://fleetdm.com/docs/using-fleet/usage
 
 ## How do I downgrade from Fleet Premium to Fleet Free?
 
+If you'd like to renew your Fleet Premium license key, please contact us [here](https://fleetdm.com/company/contact).
+
 How to downgrade from Fleet Premium to Fleet Free:
 
 First, back up your users and update all team-level users to global users:
@@ -320,7 +322,3 @@ Lastly, remove your Fleet Premium license key:
 1. Remove your license key from your Fleet configuration. Documentation on where the license key is
    located in your configuration is [here](https://fleetdm.com/docs/deploying/configuration#license).
 2. Restart your Fleet server.
-
-
-
-

server/fleet/utils.go

@@ -12,7 +12,7 @@ func WriteExpiredLicenseBanner(w io.Writer) {
 		w,
 		"Your license for Fleet Premium is about to expire. If you’d like to renew or have questions about "+
 			"downgrading, please navigate to "+
-			"https://fleetdm.com/docs/using-fleet/teams#expired_license and "+
+			"https://fleetdm.com/docs/using-fleet/faq#how-do-i-downgrade-from-fleet-premium-to-fleet-free and "+
 			"contact us for help.",
 	)
 	// We need to disable color and print a new line to make it look somewhat neat, otherwise colors continue to the