message: docs: change doc for address form group in reactive forms guide
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diff: @@ -230,7 +230,7 @@ In this example, `address group` combines the current `firstName` and `lastName`
  After you update the model in the component class, update the template to connect the form group instance and its input elements.
  -Add the `address` form group containing the `firstName` and `lastName` fields to the `ProfileEditor` template.
  +Add the `address` form group containing the `street`, `city`, `state`, and `zip` fields to the `ProfileEditor` template.
  <code-example path="reactive-forms/src/app/profile-editor/profile-editor.component.1.html" region="formgroupname" linenums="false" header="src/app/profile-editor/profile-editor.component.html (template nested form group)">
  