Updated quick start catalog references.

Author: RoseHJM

articles/deployment-environments/concept-environments-key-concepts.md

@@ -64,7 +64,7 @@ Project environment types allow you to automatically apply the right set of poli
 
 ## Catalogs
 
-Catalogs help you provide a set of curated IaC templates for your development teams to create environments. You can attach the quick start catalog to a dev center. The quick start catalog provides a set of sample environment defintions that are available to all the projects associated with the dev center. You can modify the sample environment definitions to suit your needs.
+Catalogs help you provide a set of curated IaC templates for your development teams to create environments. Microsoft provides a [*quick start* catalog](https://github.com/microsoft/devcenter-catalog) that contains a set of sample environment defintions. You can attach the quick start catalog to a dev center to make these environment defintions available to all the projects associated with the dev center. You can modify the sample environment definitions to suit your needs. 
 
 Alternately, you can attach your own catalog. You can attach either a [GitHub repository](https://docs.github.com/repositories/creating-and-managing-repositories/about-repositories) or an [Azure DevOps Services repository](/azure/devops/repos/get-started/what-is-repos) as a catalog. 
 

articles/deployment-environments/how-to-configure-catalog.md

@@ -21,7 +21,7 @@ Deployment Environments supports catalogs hosted in Azure Repos (the repository
 - To learn how to host a repository in GitHub, see [Get started with GitHub](https://docs.github.com/get-started).
 - To learn how to host a Git repository in an Azure DevOps project, see [Azure Repos](https://azure.microsoft.com/products/devops/repos/).
 
-Microsoft offers a quick start catalog that you can add to the dev center, and also a [sample catalog](https://aka.ms/deployment-environments/SampleCatalog) that you can use as your repository. You also can use your own private repository, or you can fork and customize the environment definitions in the sample catalog.
+Microsoft offers a [*quick start* catalog](https://github.com/microsoft/devcenter-catalog) that you can add to the dev center, and a [sample catalog](https://aka.ms/deployment-environments/SampleCatalog) that you can use as your repository. You also can use your own private repository, or you can fork and customize the environment definitions in the sample catalog.
 
 ## Configure a managed identity for the dev center