Update articles/automation/overview.md

Author: ttorble

articles/automation/overview.md

@@ -18,7 +18,7 @@ Automation is needed in three broad areas of cloud operations:
 
 Azure Automation delivers a cloud-based automation, operating system updates, and configuration service that supports consistent management across your Azure and non-Azure environments. It includes process automation, configuration management, update management, shared capabilities, and heterogeneous features.
 
-:::image type="content" source="./media/overview/automation-overview.png" alt-text="Screenshot shows the Automation capabilities." lightbox="./media/overview/automation-overview.png"::: 
+:::image type="content" source="./media/overview/automation-overview.png" alt-text="Diagram shows the Automation capabilities." lightbox="./media/overview/automation-overview.png"::: 
 
 There are several Azure services that can deliver the above requirements, where each service includes a set of capabilities and serves a role as a programmable platform to build cloud solutions. For example, Azure Bicep and Resource Manager provide a language to develop repeatable and consistent deployment templates for Azure resources. Azure Automation can process that template to deploy an Azure resource and then process a set of post-deployment configuration tasks.