Enhance descriptions for GitHub Desktop features for clarity and detail

Author: Randy Pagels

learn-pr/github/github-introduction-products/includes/3-mobile-versus-desktop.md

@@ -23,8 +23,8 @@ GitHub Desktop is an open-source, stand-alone software application that enables
 
 Here are a few of the many things you can do with GitHub Desktop:
 
-- Add and clone repositories.
-- Add changes to your commit interactively.
-- Quickly add coauthors to your commit.
-- Check out branches with pull requests and view CI statuses.
-- Compare changed images.
+- Add and clone repositories to quickly set up projects locally and start working.
+- Add changes to your commit interactively, making it easier to manage and review changes before committing.
+- Quickly add coauthors to your commit, ensuring proper attribution in collaborative projects.
+- Check out branches with pull requests and view CI statuses to streamline collaboration and ensure code quality.
+- Compare changed images to visually review updates in image files.