Update download.md (#4155)

* Learn Editor: Update download.md

* Learn Editor: Update download.md

* Learn Editor: Update download.md

* Learn Editor: Update download.md

* Learn Editor: Update download.md

* add space

---------

Co-authored-by: Matt Wojciakowski <[email protected]>

Author: matokuna

hub/package-manager/winget/download.md

@@ -15,6 +15,9 @@ The **download** command requires that you specify the exact string to download.
 > [!NOTE]
 > By default, the **download** command will download the appropriate installer to the user's Downloads folder. Use the **--download-directory** option to specify a custom download path.
 
+> [!NOTE]
+> As of March 2024, the download option does not support the msstore source.
+
 ## Usage
 
 `winget download [[-q] <query>] [\<options>]`