message: docs: fix spelling error in angular component
  change component class section of the docs
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diff: @@ -1148,9 +1148,7 @@ The Angular code is shown using TypeScript.
  <code-example hideCopy path="ajs-quick-reference/src/app/movie-list.component.ts" region="class"></code-example>
  - In Angular, you create a component class.
  -
  - NOTE: If you are using TypeScript with AngularJS, you must use the `export` keyword to export the component class.
  + In Angular, you create a component class to contain the data model and control methods. Use the TypeScript <code>export</code> keyword to export the class so that the functionality can be imported into NgModules.
  For more information, see the [Components](guide/architecture#components)
  section of the [Architecture Overview](guide/architecture) page.
  