diff --git a/docs/en/docs/Installation/installation-guideline.md b/docs/en/docs/Installation/installation-guideline.md
index 953d966b490be747f888c596e98843ef5215810d..1195ea838e9cdc235f56ac11af434f4d2bc8b48e 100644
--- a/docs/en/docs/Installation/installation-guideline.md
+++ b/docs/en/docs/Installation/installation-guideline.md
@@ -60,7 +60,7 @@ You can perform graphical installation operations using a keyboard.
 - Press **Tab** or **Shift+Tab** to move between GUI controls (such as buttons, area boxes, and check boxes).
 - Press the up or down arrow key to navigate through a list.
 - Press the left or right arrow key to move between the horizontal toolbars and list bars.
-- Press the spacebar or **Enter** to select or delete highlighted options, expand or collapse a drop-down list.
+- Press the **spacebar** or **Enter** to select or delete highlighted options, expand or collapse a drop-down list.
 - Press **Alt+a shortcut key** to select the control where the shortcut key is located. The shortcut key can be highlighted (underlined) by holding down **Alt**.
 
 #### Selecting the Installation Language