diff --git a/src/mnode/inc/mnodeDef.h b/src/mnode/inc/mnodeDef.h
index 937e5d66550e8f1e8348fa6fcf1581914fff483f..3d83e1821671be45d806f68a3abf893c8825f180 100644
--- a/src/mnode/inc/mnodeDef.h
+++ b/src/mnode/inc/mnodeDef.h
@@ -33,7 +33,7 @@ struct SMnodeObj;
 struct define notes:
 1. The first field must be the xxxxId field or name field , e.g. 'int32_t dnodeId', 'int32_t mnodeId', 'char name[]', 'char user[]', ...
 2. From the dnodeId field to the updataEnd field, these information will be falled disc;
-3. The fields behind the updataEnd field are changing;
+3. The fields behind the updataEnd field can be changed;
 */
 
 typedef struct SDnodeObj {