diff --git a/V. Spring Boot Actuator: Production-ready features/42.2. Disabling JMX endpoints.md b/V. Spring Boot Actuator: Production-ready features/42.2. Disabling JMX endpoints.md
index 5e09039..20bbf8f 100644
--- a/V. Spring Boot Actuator: Production-ready features/42.2. Disabling JMX endpoints.md	
+++ b/V. Spring Boot Actuator: Production-ready features/42.2. Disabling JMX endpoints.md	
@@ -1,4 +1,6 @@
 ### 42.2. 禁用JMX端点
 
 如果不想通过JMX暴露端点，你可以将`spring.jmx.enabled`属性设置为false：
-`spring.jmx.enabled=false`
+```java
+spring.jmx.enabled=false
+```