Update 32.4. Mixing XA and non-XA JMS connections.md

IV. Spring Boot features/32.4. Mixing XA and non-XA JMS connections.md

@@ -5,7 +5,7 @@
 如果想使用一个non-XA的ConnectionFactory，你可以注入nonXaJmsConnectionFactory　bean而不是@Primary jmsConnectionFactory　bean。为了保持一致，jmsConnectionFactory　bean将以别名xaJmsConnectionFactor来被使用。
 
 示例如下：
-```
+```java
 // Inject the primary (XA aware) ConnectionFactory
 @Autowired
 private ConnectionFactory defaultConnectionFactory;