update on ruleset restrictions

Author: sfiguemsft

articles/dns/dns-private-resolver-overview.md

@@ -121,10 +121,10 @@ Outbound endpoints have the following limitations:
 ### Ruleset restrictions
 
 - Rulesets can have up to 1000 rules.
+- Cross-tenant linking of Rulesets is not supported.
 
 ### Other restrictions
 
-- Cross-tenant linking of Rulesets is not supported.
 - IPv6 enabled subnets aren't supported.
 - DNS private resolver doesn't support Azure ExpressRoute FastPath.
 - DNS private resolver isn't compatible with [Azure Lighthouse](/azure/lighthouse/overview).