diff --git a/docs/en/docs/Installation/installation-guideline.md b/docs/en/docs/Installation/installation-guideline.md
index 953d966b490be747f888c596e98843ef5215810d..8fd0f0c146fe4b33afab469461f43ad927d9712d 100644
--- a/docs/en/docs/Installation/installation-guideline.md
+++ b/docs/en/docs/Installation/installation-guideline.md
@@ -411,7 +411,7 @@ In the main menu, enter **5** to select the OS installation destination. See **F
 ![](figures/zh-cn_image_text_installdest.png)
 
 - Partitioning options
-    - Replace Existing Linux system (s): Use only the space occupied by the existing OS. Data of the existing OS will be overwritten.
+    - Replace Existing Linux system (s): Replace the existing system.Use only the space occupied by the existing OS. Data of the existing OS will be overwritten.
     - Use All Space: Delete data of the OS partition and use all space on the drive.
     - Use Free Space: Install openEuler to the free space on the drive without deleting data of the existing OS.
     - Manually assign mount points: This option is experimental and may not take effect.