diff --git a/4_graphic_interface.md b/4_graphic_interface.md
index 03f6ec7..4446cd1 100644
--- a/4_graphic_interface.md
+++ b/4_graphic_interface.md
@@ -36,7 +36,7 @@ other gui tools
 ---------------
 ```
 # for open archive in gui
-pacman -S cfile-roller
+###### pacman -S cfile-roller
 # file explorer
 pacman -S thunar
 ```