[ISSUE #2299]modify the error character of the Example_Filter.md

docs/en/Example_Filter.md

@@ -74,7 +74,7 @@ Use `MessageSelector.bySql` to select messages through SQL when consuming.
 ```java
 DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_4");
 // only subsribe messages have property a, also a >=0 and a <= 3
-consumer.subscribe("TopicTest", MessageSelector.bySql("a between 0 and 3");
+consumer.subscribe("TopicTest", MessageSelector.bySql("a between 0 and 3"));
 consumer.registerMessageListener(new MessageListenerConcurrently() {
    @Override
    public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {