message: docs: fixes on paragraph
  Phrasing improved, missing word added, lowercase "angular" fixed, unnecessary, commas removed.
  PR Close
diff: @@ -110,9 +110,9 @@ To create a new component manually:
  ## Specifying a component's CSS selector
  -Every component requires a CSS _selector_. A selector instructs Angular to instantiate this component wherever it finds the corresponding tag in template HTML. For example, consider a component, `hello-world.component.ts` that defines its selector as `app-hello-world`. This selector instructs angular to instantiate this component any time the tag, `<app-hello-world>` in a template.
  +Every component requires a CSS _selector_. A selector instructs Angular to instantiate this component wherever it finds the corresponding tag in template HTML. For example, consider a component `hello-world.component.ts` that defines its selector as `app-hello-world`. This selector instructs Angular to instantiate this component any time the tag `<app-hello-world>` appears in a template.
  -To specify a component's selector, add a `selector` statement to the `@Component` decorator.
  +Specify a component's selector by adding a `selector` statement to the `@Component` decorator.
  <code-example
  path="component-overview/src/app/component-overview/component-overview.component.ts"
  