minor changes to formulation

2022/2022-06-07_git-trilogy-part-2/slides/add-to-workspace.md

-# Add repository to workspace (separately from cloning)
+# Add an already locally existing repository to workspace
 
-![bulb](slides/img/bulb.png)  If you already have a copy of repository on your laptop, you can add it to VS code by following:
+![bulb](slides/img/bulb.png) If you already have downloaded a repository, you can add it to VS code by following:
 
 - Go to **File > Add Folder to Workspace**