- clarify that putting links in a button group is, in essence, an alternative to using the navigation component (and cross-reference it)
- remove the non-sequitur about using
.active
...that's irrelevant here, as it's already mentioned in the docs page for.btn
. otherwise, this would then also need the whole extra explanation about conveying meaning witharia-current
etc, which is already covered in ample detail in the navs page