diff --git a/README.md b/README.md
index b752e56..b18c001 100644
--- a/README.md
+++ b/README.md
@@ -262,21 +262,18 @@ docker start iotex
 ## <a name="upgrade"/>Upgrade Your Node(One Line Upgrader)
 Make sure you have `$IOTEX_HOME` already set up, and all the files(configs, dbs etc) are placed in the right locations (Please refer to the Join MainNet section).
 
-To upgrade mainnet node, use following command. By default, it will upgrade to latest mainnet version.
+To upgrade mainnet node, use following command. By default, it will upgrade to latest mainnet version. You may need to run `sudo bash` if your docker requires root privilege.
 ```bash
-sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/setup_fullnode.sh)
 ```
 
 To enable [gateway](#gateway) on mainnet
 ```bash
-sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/setup_fullnode.sh) plugin=gateway
 ```
 
 To stop auto upgdrade cron job and iotex server program, you can run
 ```bash
-sudo bash # If your docker requires root privilege
 bash <(curl -s https://raw.githubusercontent.com/iotexproject/iotex-bootstrap/master/scripts/stop_fullnode.sh)
 ```
 ## <a name="gateway"/> Gateway Plugin