diff --git a/apps/emqx_authz/etc/acl.conf b/apps/emqx_authz/etc/acl.conf
index 9964dc7ba..dbeec6852 100644
--- a/apps/emqx_authz/etc/acl.conf
+++ b/apps/emqx_authz/etc/acl.conf
@@ -20,7 +20,7 @@
 %%
 %% -type(permission() :: allow | deny).
 %%
-%% -type(rule() :: {permission(), who(), access(), topics()} | {permission(), all}).
+%% -type(rule() :: {permission(), who(), action(), topics()} | {permission(), all}).
 %%--------------------------------------------------------------------
 
 {allow, {username, {re, "^dashboard$"}}, subscribe, ["$SYS/#"]}.