Add remark

Author: Gijsreyn

CONTRIBUTING.md

@@ -29,7 +29,7 @@ Please read the rest of this document to ensure a smooth contribution process.
 You can contribute to documentation either in the `docs` folder of this repository
 or in the [PowerShell-Docs-DSC](https://github.com/MicrosoftDocs/PowerShell-Docs-DSC/) repository.
 
-> [!INFO]
+> [!NOTE]
 > Documentation contributed to the `docs` folder in this repository is periodically synced to the [PowerShell-Docs-DSC](https://github.com/MicrosoftDocs/PowerShell-Docs-DSC/) repository.
 
 ### Contributing to documentation related to maintaining or contributing to the DSC project

docs/reference/resources/DSC/PackageManagement/APT/index.md

@@ -11,6 +11,10 @@ title:       DSC.PackageManagement/Apt
 
 Manage packages with the advanced package tool (APT) on Linux systems.
 
+> [!IMPORTANT]
+> The `DSC.PackageManagement/Apt` resource is a proof-of-concept example
+> for use with DSC. Don't use it in production.
+
 ## Metadata
 
 ```yaml