message: docs: replaces on with of
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diff: @@ -23,7 +23,7 @@ to provide semantic meaning where it might otherwise be missing.
  Use [attribute binding](guide/template-syntax#attribute-binding) template syntax to control the values of accessibility-related attributes.
  When binding to ARIA attributes in Angular, you must use the `attr.` prefix, as the ARIA
  -specification depends specifically on HTML attributes rather than properties on DOM elements.
  +specification depends specifically on HTML attributes rather than properties of DOM elements.
  ```html
  <!-- Use attr. when binding to an ARIA attribute -->
  