Fix misspelling and update comment to match <!-- -->

- "Google has decided to block there" --> "their"
- Fix comment
```html
<!-- This is a standard comment. -->
<!-- This is not. --->
```

```html
<!--
...
<link rel="stylesheet" type="text/css" href="/WOWSlider/engine1/style.min.css" /--->
```
See the extra dash?