diff --git a/docs/en/docs/Installation/installation-guideline.md b/docs/en/docs/Installation/installation-guideline.md
index 7f7b5873553e4fde3dab40ce35de4badbaf6dc1b..4d2f8f3e45ca9cf31adfb11479964790efedd716 100644
--- a/docs/en/docs/Installation/installation-guideline.md
+++ b/docs/en/docs/Installation/installation-guideline.md
@@ -57,7 +57,7 @@ Load the ISO image of openEuler from the CD/DVD-ROM drive of the server and rest
 
 ### Installation Wizard
 
-A boot menu is displayed after the system is booted using the boot medium. In addition to options for starting the installation program, some other options are available on the boot menu. During system installation, the  **Test this media \& install openEuler 20.03-LTS-SP4**  mode is used by default. Press the arrow keys on the keyboard to change the selection, and press  **Enter**  when the desired option is highlighted.
+A boot menu is displayed after the system is booted using the boot medium. In addition to options for starting the installation program, some other options are available on the boot menu. During system installation, the  **Test this media \& install openEuler 20.03-LTS-SP4**  mode is used by default. If you want to select an option other than the default option, use the "↑" and "↓" arrow keys on the keyboard to make the selection and press Enter when the option is highlighted.
 
 >![](./public_sys-resources/icon-note.gif) **NOTE:**  
 >