Clarify that Graphic UI apps open automatically (#1119)

UI is too vague – after all, CLI is also a UI. What you mean here is that *GUI* apps open automatically inside the desktop.

Author: wrobelda

script-library/docs/desktop-lite.md

@@ -1,6 +1,6 @@
 # Desktop (Lightweight) Install Script
 
-*Adds a lightweight [Fluxbox](http://fluxbox.org/) based desktop to the container that can be accessed using a VNC viewer or the web. UI-based commands executed from the built in VS code terminal will open on the desktop automatically.*
+*Adds a lightweight [Fluxbox](http://fluxbox.org/) based desktop to the container that can be accessed using a VNC viewer or the web. GUI-based commands executed from the built-in VS code terminal will open on the desktop automatically.*
 
 **Script status**: Preview