Update image for route syntax highlighting (#34895)

Author: guardrex

aspnetcore/release-notes/aspnetcore-10/_static/route-template-highlighting.png

@@ -28,7 +28,7 @@ For more information, see the following resources:
 
 The [`[Route]` attribute](xref:Microsoft.AspNetCore.Components.RouteAttribute) now supports route syntax highlighting to help visualize the structure of the route template:
 
-![Route template pattern of a route attribute for the movie entity ID shows syntax highlighting](~/release-notes/aspnetcore-10/_static/route-template-highlighting.png)
+![Route template pattern of a route attribute for the counter value shows syntax highlighting](~/release-notes/aspnetcore-10/_static/route-template-highlighting.png)
 
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