diff --git a/README.otn.md b/README.otn.md
index 32b85d4a5c0f..2c5f8892e914 100644
--- a/README.otn.md
+++ b/README.otn.md
@@ -153,4 +153,12 @@ root@sonic:/# redis-cli -n 2
 admin@sonic:~$ docker exec -ti database1 bash
 root@sonic:/# redis-cli -n 6
 root@sonic:/# redis-cli -n 2
+```
+
+5. deprovision the linecard with test script
+It will plug out the virtual linecard and flush all data in the database
+```
+./config_sonic_otn_linecard.sh 1 none
+./config_sonic_otn_linecard.sh 2 none
+
 ```
\ No newline at end of file