Updated link and code for CLI for Microsoft 365

Updated link for CLI for Microsoft 365 documentation and code for CLI for Microsoft 365

Author: SmitaNachan

docs/spfx/web-parts/single-part-app-pages.md

@@ -1,7 +1,7 @@
 ---
 title: Using single part app pages in SharePoint Online
 description: Using single part app pages in SharePoint Online
-ms.date: 09/07/2020
+ms.date: 06/14/2021
 ms.prod: sharepoint
 localization_priority: Priority
 ---
@@ -64,10 +64,10 @@ Set-PnPClientSidePage -Identity "Page" -LayoutType SingleWebPartAppPage
 
 ```console
 m365 login
-m365 spo listitem set --webUrl https://contoso.sharepoint.com/sites/marketing --listTitle 'Site Pages' --id 3 --PageLayoutType SingleWebPartAppPage
+m365 spo listitem set --webUrl https://contoso.sharepoint.com/sites/marketing --listTitle "Site Pages" --id 3 --PageLayoutType SingleWebPartAppPage
 ```
 
-> Refer to the [CLI for Microsoft 365 documentation](https://pnp.github.io/cli-microsoft365/cmd/spo/listitem/listitem-set/) for complete details and examples on this command.
+> Refer to the [CLI for Microsoft 365 documentation](https://pnp.github.io/cli-microsoft365/cmd/spo/listitem/listitem-set.html) for complete details and examples on this command.
 
 ---