Fix for blank lines around code fences (#38255)

content/codespaces/customizing-your-codespace/changing-the-machine-type-for-your-codespace.md

@@ -64,6 +64,7 @@ You can use the `gh codespace edit --machine MACHINE-TYPE-NAME` {% data variable
    ```
    gh codespace list
    ```
+
 1. Optionally, to find the current machine type for a codespace, enter the following command.
 
    ```

content/codespaces/customizing-your-codespace/changing-the-shell-in-a-codespace.md

@@ -90,6 +90,7 @@ You can set a default terminal profile to choose the default shell used for all
       "terminal.integrated.defaultProfile.windows": "PowerShell"
    }
    ```
+
 1. Save the `settings.json` file.
 
 {% data reusables.codespaces.settings-sync-link %}