message: docs: fix numbering
  PR Close
diff: @@ -125,7 +125,7 @@ To help you get going, the following steps use predefined product data and metho
  </figure>
  -1. Add the product descriptions. On the `<p>` element, use an `*ngIf` directive so that Angular only creates the `<p>` element if the current product has a description.
  +4. Add the product descriptions. On the `<p>` element, use an `*ngIf` directive so that Angular only creates the `<p>` element if the current product has a description.
  <code-example path="getting-started/src/app/product-list/product-list.component.3.html" header="src/app/product-list/product-list.component.html">
  </code-example>
  @@ -138,7 +138,7 @@ To help you get going, the following steps use predefined product data and metho
  </div>
  </figure>
  -1. Add a button so users can share a product with friends. Bind the button's `click` event to the `share()` method (in `product-list.component.ts`). Event binding uses a set of parentheses, `( )`, around the event, as in the following `<button>` element:
  +5. Add a button so users can share a product with friends. Bind the button's `click` event to the `share()` method (in `product-list.component.ts`). Event binding uses a set of parentheses, `( )`, around the event, as in the following `<button>` element:
  <code-example path="getting-started/src/app/product-list/product-list.component.4.html" header="src/app/product-list/product-list.component.html">
  </code-example>
  