diff --git a/apps/emqx_authz/i18n/emqx_authz_schema_i18n.conf b/apps/emqx_authz/i18n/emqx_authz_schema_i18n.conf
index 161f6ed1b..e83169978 100644
--- a/apps/emqx_authz/i18n/emqx_authz_schema_i18n.conf
+++ b/apps/emqx_authz/i18n/emqx_authz_schema_i18n.conf
@@ -97,19 +97,20 @@ It is NOT allowed to configure two or more sources of the same type.
 Path to the file which contains the ACL rules.
 If the file provisioned before starting EMQX node,
 it can be placed anywhere as long as EMQX has read access to it.
+That is, EMQX will treat it as read only.
 
-In case the rule-set is created from EMQX Dashboard or management API,
-the file will be placed in `authz` subdirectory inside EMQX's `data_dir`,
-and the new rules will override all rules from the old config file.
+In case the rule-set is created or updated from EMQX Dashboard or HTTP API,
+a new file will be created and placed in `authz` subdirectory inside EMQX's `data_dir`,
+and the old file will not be used anymore.
 """
       zh: """
 包含 ACL 规则的文件路径。
 如果在启动 EMQX 节点前预先配置该路径，
 那么可以将该文件置于任何 EMQX 可以访问到的位置。
 
-如果从 EMQX Dashboard 或 management API 创建规则集，
-那么文件将会自动生成在 `authz` 目录下，该目录位于 EMQX 的 `data_dir` 子目录下，
-并且之后新的规则集将会覆写旧文件。"""
+如果从 EMQX Dashboard 或 HTTP API 创建或修改了规则集，
+那么EMQX将会生成一个新的文件并将它存放在 `data_dir` 下的 `authz` 子目录中,
+并从此弃用旧的文件。"""
     }
     label {
       en: """path"""