diff --git a/docs/en/get-started/establish-serial-connection.rst b/docs/en/get-started/establish-serial-connection.rst
index 235ebd863f..b171b18bf7 100644
--- a/docs/en/get-started/establish-serial-connection.rst
+++ b/docs/en/get-started/establish-serial-connection.rst
@@ -264,7 +264,9 @@ on Arch Linux this is done by adding the user to ``uucp`` group with the followi
 
     sudo usermod -a -G uucp $USER
 
-Make sure you re-login to enable read and write permissions for the serial port.
+.. note::
+
+    Make sure you re-login to enable read and write permissions for the serial port.
 
 Verify Serial Connection
 ------------------------
diff --git a/docs/zh_CN/get-started/establish-serial-connection.rst b/docs/zh_CN/get-started/establish-serial-connection.rst
index 95da7209af..5d364c9394 100644
--- a/docs/zh_CN/get-started/establish-serial-connection.rst
+++ b/docs/zh_CN/get-started/establish-serial-connection.rst
@@ -264,7 +264,9 @@ macOS::
 
     sudo usermod -a -G uucp $USER
 
-请重新登录，确保串口读写权限生效。
+.. note::
+
+    请重新登录，确保串口读写权限生效。
 
 确认串口连接
 ------------------------