diff --git a/README.md b/README.md
index af5562a6d..6479c2651 100644
--- a/README.md
+++ b/README.md
@@ -90,10 +90,13 @@ examples
 
 ```bash
 ./rebar3 ct --dir test,apps/emqx_sn,apps/emqx_coap
-./rebar3 ct --suite test/emqx_SUITE.erl,apps/emqx_auth_http/test/emqx_auth_http_SUITE.erl
-./rebar3 ct --suite test/emqx_SUITE.erl --testcase t_restart
+./rebar3 ct --dir apps/emqx_auth_mnesi --suite emqx_acl_mnesia_SUITE
+./rebar3 ct --dir apps/emqx_auth_mnesi --suite emqx_acl_mnesia_SUITE --case t_rest_api
 ```
 
+NOTE: Do *NOT* use full (relative) path to SUITE files like this `--suite apps/emqx_auth_mnesia/test/emqx_acl_mnesia_SUITE.erl`,
+because it will lead to a full copy of `apps` dir into `_buid/test/lib/emqx`.
+
 ## FAQ
 
 Visiting [EMQ X FAQ](https://docs.emqx.io/broker/latest/en/faq/faq.html) to get help of common problems.