diff --git a/docs/java/jvm/最重要的JVM参数指南.md b/docs/java/jvm/最重要的JVM参数指南.md
index aca41cea..a8514e14 100644
--- a/docs/java/jvm/最重要的JVM参数指南.md
+++ b/docs/java/jvm/最重要的JVM参数指南.md
@@ -106,7 +106,7 @@ JVM具有四种类型的*GC*实现：
 ```
 -XX:+UseSerialGC
 -XX:+UseParallelGC
--XX:+USeParNewGC
+-XX:+UseParNewGC
 -XX:+UseG1GC
 ```