Update using-ui.mdx - edits to Desktop App details

- Adjusted title
- tweaked language
- added note about curl command needing customization

docs/guides/using-ui.mdx

@@ -2,23 +2,24 @@
 sidebar_position: 4
 ---
 
-# Using the App
+# Using the Desktop App
 
 import ServiceCatalogImg from './_media/service-catalog.png'
 
-The Desktop Application adds a menu bar on macOS and a tray icon on Windows. The icon indicates the current state of the connectivity with the Teamspace.
+The Desktop Application adds a menu bar icon (macOS) or a tray icon (Windows). The icon indicates the current state of Connectivity with the Teamspace.
 
-- The gray icon indicates no active Consumes
-- The colored icon indicates active Consumes
-- The gray icon with a triangle exclamation mark indicates an error
+- Colored icon indicates active Consumes
+- Gray icon indicates no active Consumes
+- Gray icon with a triangle exclamation mark indicates an error
 
 The Desktop Application provides:
 - Quick access to the Service Catalog
 - Easy Consume All / Clear button (blue)
-- Fast filtering for Namespace & Services at top of screen
+- Fast filtering for Namespace & Services at top of Desktop App window
 - Quick Switch between Teamspaces
-- Organization access (if you belong to more than one Codezero Org)
+- Organization switching (if you belong to more than one Codezero Org)
 - Easy Test connect to Variants - (one click copy of curl command when clicking on a user’s Variant in the Service Catalog)
+  NOTE: default curl command providing might need customizing depending on the Variant service 
 
 <div class="text--center">
   <img width="80%" src={ServiceCatalogImg}/>