diff --git a/Create-DevTerm-A04-OS-image-from-scratch.md b/Create-DevTerm-A04-OS-image-from-scratch.md
index dadbe74..fe27d9e 100644
--- a/Create-DevTerm-A04-OS-image-from-scratch.md
+++ b/Create-DevTerm-A04-OS-image-from-scratch.md
@@ -184,7 +184,7 @@ Terminal=false
 NoDisplay=true
 EOF'
 ```
-### gdm3 background and hide poweroff,suspend
+#### gdm3 background and hide poweroff,suspend
 In `/etc/gdm3/greeter.dconf-defaults `
 ```
 ...