Fix 2fa error msg

application/src/main/java/org/thingsboard/server/service/security/auth/mfa/provider/impl/SmsTwoFaProvider.java

@@ -63,7 +63,7 @@ public class SmsTwoFaProvider extends OtpBasedTwoFaProvider<SmsTwoFaProviderConf
     @Override
     public void check(TenantId tenantId) throws ThingsboardException {
         if (!smsService.isConfigured(tenantId)) {
-            throw new ThingsboardException("SMS service in not configured", ThingsboardErrorCode.BAD_REQUEST_PARAMS);
+            throw new ThingsboardException("SMS service is not configured", ThingsboardErrorCode.BAD_REQUEST_PARAMS);
         }
     }