Update alt-text for images in makefile project guide

Author: TylerMSFT

docs/build/reference/creating-a-makefile-project.md

@@ -32,11 +32,11 @@ The output file that you specify in the project has no effect on the name that t
 
 1. From the Visual Studio main menu, choose **File** > **New** > **Project/Solution**.
 
-    :::image type="content" source="media/file-new-project.png" alt-text="Screenshot of the menu dropdown item to create a new project highlighted":::
+    :::image type="content" source="media/file-new-project.png" alt-text="Screenshot of the File > New > Project/Solution menu item.":::
 
 1. Type *makefile* into the search box. If you see more than one project template, select the option for your target platform.
 
-    :::image type="content" source="media/create-project.png" alt-text="Screenshot of the project template search bar with makefile entered.":::
+    :::image type="content" source="media/create-project.png" alt-text="Screenshot of the Create a new project dialog. The Create a new project text field text box contains the text: makefile.":::
 
 1. **Windows only**: In the Makefile project **Debug Configuration Settings** page, provide the command, output, clean, and rebuild information for debug and retail builds. Choose **Next** if you want to specify different settings for a Release configuration.