docs(aio): fix typo

PR Close #20069
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zdouble 2017-11-01 18:09:09 +08:00 committed by Matias Niemelä
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@ -353,7 +353,7 @@ You can also experience and download the <live-example title="Attribute Directiv
### Appendix: Why add _@Input_?
In this demo, the `hightlightColor` property is an ***input*** property of
In this demo, the `highlightColor` property is an ***input*** property of
the `HighlightDirective`. You've seen it applied without an alias:
<code-example path="attribute-directives/src/app/highlight.directive.2.ts" linenums="false" title="src/app/highlight.directive.ts (color)" region="color"></code-example>