message: docs: replace wrong `NgFor` with `NgForOf`
  amend the aio structural-directives guide incorrectly mentioning
  `NgFor` instead of `NgForOf` as a structural directive
  PR Close
diff: @@ -4,7 +4,7 @@ This guide is about structural directives and provides conceptual information on
  Structural directives are directives which change the DOM layout by adding and removing DOM element.
  -Angular provides a set of built-in structural directives (such as `NgIf`, `NgFor`, `NgSwitch` and others) which are commonly used in all Angular projects. For more information see [Built-in directives](guide/built-in-directives).
  +Angular provides a set of built-in structural directives (such as `NgIf`, `NgForOf`, `NgSwitch` and others) which are commonly used in all Angular projects. For more information see [Built-in directives](guide/built-in-directives).
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