diff --git a/IX. ‘How-to’ guides/73.7. Remote debug a Spring Boot application started with Gradle.md b/IX. ‘How-to’ guides/73.7. Remote debug a Spring Boot application started with Gradle.md
index 17d8bf9..d8f3152 100644
--- a/IX. ‘How-to’ guides/73.7. Remote debug a Spring Boot application started with Gradle.md	
+++ b/IX. ‘How-to’ guides/73.7. Remote debug a Spring Boot application started with Gradle.md	
@@ -1,4 +1,4 @@
-### 72.7. 远程调试一个使用Gradle启动的Spring Boot项目
+### 73.7. 远程调试一个使用Gradle启动的Spring Boot项目
 
 想要为使用Gradle启动的Spring Boot应用添加一个远程调试器，你可以使用build.gradle的applicationDefaultJvmArgs属性或`--debug-jvm`命令行选项。