Fix the sentence:
> Force your .nav’s contents to extend the full available width one of two modifier classes.
to:
> Force your .nav’s contents to extend the full available width with one of two modifier classes.
### Fill and justify
-Force your `.nav`'s contents to extend the full available width one of two modifier classes. To proportionately fill all available space with your `.nav-item`s, use `.nav-fill`. Notice that all horizontal space is occupied, but not every nav item has the same width.
+Force your `.nav`'s contents to extend the full available width with one of two modifier classes. To proportionately fill all available space with your `.nav-item`s, use `.nav-fill`. Notice that all horizontal space is occupied, but not every nav item has the same width.
{{< example >}}
<ul class="nav nav-pills nav-fill">