diff --git a/docs/en/docs/Installation/installation-modes.md b/docs/en/docs/Installation/installation-modes.md
index 3076051433d7e2436cb12acf81bc6ff01fa6f9ef..5563a81b4a118be0fd4076b14aded57f6e8efa51 100644
--- a/docs/en/docs/Installation/installation-modes.md
+++ b/docs/en/docs/Installation/installation-modes.md
@@ -108,7 +108,7 @@ For example, if the ISO image file name is  **/home/testuser/Downloads/openEuler
 dd if=/home/testuser/Downloads/openEuler-21.09-aarch64-dvd.iso of=/dev/sdb bs=512k
 ```
 
-1. After the image is written, safely eject and remove the USB flash drive.
+5. After the image is written, safely eject and remove the USB flash drive.
 
     No progress is displayed during the image write process. When the number sign (#) appears again, run the following command to write the data to the drive. Then exit the **root** account and remove the USB flash drive. In this case, you can use the USB drive as the installation source of the system.