diff --git a/rel/i18n/emqx_resource_schema.hocon b/rel/i18n/emqx_resource_schema.hocon
index 031a5b412..f4a9982bc 100644
--- a/rel/i18n/emqx_resource_schema.hocon
+++ b/rel/i18n/emqx_resource_schema.hocon
@@ -201,8 +201,8 @@ When disabled the messages are buffered in RAM only."""
zh: "队列操作模式。\n"
"memory_only
: 所有的消息都缓存在内存里。"
"volatile_offload
: 先将消息缓存在内存中,当内存中的消息堆积超过一定限制"
- "(配置项 buffer_seg_bytes
该限制)后,"
- " 消息会缓存到磁盘上"
+ "(配置项 buffer_seg_bytes
指定该限制)后,"
+ " 消息会开始缓存到磁盘上。"
}
label {
en: "Buffer Mode"