Fix indentation issue in "Component parameters" section's numb… (#16524)

* Fix indentation issue in list

* Add missing words

aspnetcore/tutorials/build-your-first-blazor-app.md

@@ -5,7 +5,7 @@ description: Build a Blazor app step-by-step.
 monikerRange: '>= aspnetcore-3.0'
 ms.author: riande
 ms.custom: mvc
-ms.date: 12/05/2019
+ms.date: 01/13/2020
 no-loc: [Blazor]
 uid: tutorials/first-blazor-app
 ---
@@ -66,19 +66,19 @@ Include a component in another component using an HTML syntax.
 
 Components can also have parameters. Component parameters are defined using public properties on the component class with the `[Parameter]` attribute. Use attributes to specify arguments for a component in markup.
 
-1. Update the component's `@code` C# code:
+1. Update the component's `@code` C# code as follows:
 
    * Add a public `IncrementAmount` property with the `[Parameter]` attribute.
-   * Change the `IncrementCount` method to use the `IncrementAmount` when increasing the value of `currentCount`.
+   * Change the `IncrementCount` method to use the `IncrementAmount` property when increasing the value of `currentCount`.
 
    *Pages/Counter.razor*:
 
    [!code-razor[](build-your-first-blazor-app/samples_snapshot/3.x/Counter.razor?highlight=13,17)]
 
-<!-- Add back when supported.
-   > [!NOTE]
-   > From Visual Studio, you can quickly add a component parameter by using the `para` snippet. Type `para` and press the `Tab` key twice.
--->
+   <!-- Add back when supported.
+       > [!NOTE]
+       > From Visual Studio, you can quickly add a component parameter by using the `para` snippet. Type `para` and press the `Tab` key twice.
+   -->
 
 1. Specify an `IncrementAmount` parameter in the `Index` component's `<Counter>` element using an attribute. Set the value to increment the counter by ten.