diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Zabbix-Update
-Zabbix升级文档   
+Zabbix升级文档  2.X到3.X升级文档 
 官方文档https://www.zabbix.com/documentation/3.0/manual/installation/upgrade   
 Server upgrade process