Update app-insights-overview.md

Author: 19BMG00

articles/azure-monitor/app/app-insights-overview.md

@@ -62,7 +62,7 @@ Refer to the decision tree below to see what is available to instrument your app
 
 ### [.NET](#tab/net)
 
-:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-dotnet.png" alt-text="A decision tree providing .NET instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-dotnet.png":::
+:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-dotnet.png" alt-text="Diagram of a decision tree providing .NET instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-dotnet.png":::
 
 - [Auto-Instrumentation](codeless-overview.md)
 - [Azure Application Insights libraries for .NET](https://docs.microsoft.com/dotnet/api/overview/azure/insights)
@@ -73,29 +73,29 @@ Refer to the decision tree below to see what is available to instrument your app
 
 ### [Java](#tab/java)
 
-:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-java.png" alt-text="A decision tree providing Java instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-java.png":::
+:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-java.png" alt-text="Diagram of a decision tree providing Java instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-java.png":::
 
 Links:
 - [Azure Monitor OpenTelemetry-based auto-instrumentation for Java applications](java-in-process-agent.md)
 
 ### [Node.js](#tab/nodejs)
 
-:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-node.png" alt-text="A decision tree providing Node instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-node.png":::
+:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-node.png" alt-text="Diagram of a decision tree providing Node instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-node.png":::
 
 Links:
 - [Enable Azure Monitor OpenTelemetry Exporter for .NET, Node.js, and Python applications](opentelemetry-enable.md)
 - [Monitor your Node.js services and apps with Application Insights](nodejs.md)
 
 ### [JavaScript](#tab/javascript)
 
-:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-js.png" alt-text="A decision tree providing JavaScript instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-js.png":::
+:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-js.png" alt-text="Diagram of a decision tree providing JavaScript instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-js.png":::
 
 Links:
 - [Application Insights for webpages](javascript.md)
 
 ### [Python](#tab/python)
 
-:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-python.png" alt-text="A decision tree providing Python instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-python.png":::
+:::image type="content" source="media/app-insights-overview/instrumentation-decision-tree-python.png" alt-text="Diagram of a decision tree providing Python instrumentation guidance." lightbox="media/app-insights-overview/instrumentation-decision-tree-python.png":::
 
 Links:
 - [Enable Azure Monitor OpenTelemetry Exporter for .NET, Node.js, and Python applications](opentelemetry-enable.md)
@@ -124,4 +124,4 @@ Post coding questions to [Stack Overflow]() using an Application Insights tag.
 
 ### User Voice
 
-Leave product feedback for the engineering team on [UserVoice](https://feedback.azure.com/d365community/forum/8849e04d-1325-ec11-b6e6-000d3a4f09d0).
+Leave product feedback for the engineering team on [UserVoice](https://feedback.azure.com/d365community/forum/8849e04d-1325-ec11-b6e6-000d3a4f09d0).