Fix typo

firewall/interception/nfq/nfq.go

@@ -145,7 +145,7 @@ func (q *Queue) handleError(e error) int {
 	// Check if the queue was already closed. Unfortunately, the exposed error
 	// variable is in an internal stdlib package. Therefore, check for the error
 	// string instead. :(
-	// Offical error variable is defined here:
+	// Official error variable is defined here:
 	// https://github.com/golang/go/blob/0e85fd7561de869add933801c531bf25dee9561c/src/internal/poll/fd.go#L24
 	if !strings.HasSuffix(e.Error(), "use of closed file") {
 		log.Errorf("nfqueue: encountered error while receiving packets: %s\n", e.Error())