diff --git a/srvutil/src/main/java/org/apache/rocketmq/srvutil/ServerUtil.java b/srvutil/src/main/java/org/apache/rocketmq/srvutil/ServerUtil.java
index 421eedb4273..b00bad3c5f9 100644
--- a/srvutil/src/main/java/org/apache/rocketmq/srvutil/ServerUtil.java
+++ b/srvutil/src/main/java/org/apache/rocketmq/srvutil/ServerUtil.java
@@ -33,7 +33,7 @@ public static Options buildCommandlineOptions(final Options options) {
 
         opt =
             new Option("n", "namesrvAddr", true,
-                "Name server address list, eg: 192.168.0.1:9876;192.168.0.2:9876");
+                "Name server address list, eg: '192.168.0.1:9876;192.168.0.2:9876'");
         opt.setRequired(false);
         options.addOption(opt);