Add auxiliary verb

"How engines work?" is grammatically incorrect
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Aron Eidelman 2018-07-12 09:13:02 -07:00 committed by GitHub
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@ -30,7 +30,7 @@ Different engines have different "codenames", for example:
The terms above are good to remember, because they are used in developer articles on the internet. We'll use them too. For instance, if "a feature X is supported by V8", then it probably works in Chrome and Opera.
```smart header="How engines work?"
```smart header="How do engines work?"
Engines are complicated. But the basics are easy.