fix: small fixes

internal/server/db.go

@@ -400,7 +400,7 @@ type UfwRule struct {
 	ID     int64
 	Port   int
 	Proto  string
-	RuleID int64 // bound forward rule id, or 0 for shared/manual (e.g. tunnel 8446)
+	RuleID int64 // bound forward rule id, or 0 for shared/manual (e.g. the tunnel port)
 }
 
 func (db *DB) AddUfwRule(port int, proto string, ruleID int64) error {