Seems to be a typo here, not 100% up to date on Foundation 5, but a quick Chrome Dev Tools test showed that .clear did not clear the floats inside the element, but .clearfix did
***
<h3>Float Classes</h3>
-You can change the float behavior of an element by adding `.left` or `.right` to an HTML element. To clear floats, add the class `.clear` to the parent element.
+You can change the float behavior of an element by adding `.left` or `.right` to an HTML element. To clear floats, add the class `.clearfix` to the parent element.
<div class="row">
<div class="large-6 columns">
You can add the class `.hide` to an element to hide it. This will add the property `display: none` to the element.
```html
<div class="hide"></div>
-```
\ No newline at end of file
+```