diff --git a/lib-ce/emqx_dashboard/etc/emqx_dashboard.conf b/lib-ce/emqx_dashboard/etc/emqx_dashboard.conf
index f67b88c17..2d59264a1 100644
--- a/lib-ce/emqx_dashboard/etc/emqx_dashboard.conf
+++ b/lib-ce/emqx_dashboard/etc/emqx_dashboard.conf
@@ -3,12 +3,17 @@
 ##--------------------------------------------------------------------
 
 ## Default user's login name.
-##
+## For safety, it should be changed as soon as possible.
+## Please use the './bin/emqx_ctl admins' CLI to change it.
+## Then comment `dashboard.default_user.login/password` from here
 ## Value: String
 dashboard.default_user.login = admin
 
 ## Default user's password.
-##
+## The initial default password for 'dashboard.default_user.login'"
+## For safety, it should be changed as soon as possible.
+## Please use the './bin/emqx_ctl admins' CLI to change it.
+## Then comment `dashboard.default_user.login/password` from here
 ## Value: String
 dashboard.default_user.password = public
 
@@ -127,4 +132,3 @@ dashboard.listener.http.ipv6_v6only = false
 ##
 ## Value: on | off
 ## dashboard.listener.https.honor_cipher_order = on
-