Merge branch 'master' of github.com:twbs/bootstrap

docs/_includes/components/button-groups.html

@@ -194,7 +194,7 @@
   </div>
   <div class="bs-callout bs-callout-warning">
     <h4>IE8 and borders</h4>
-    <p>Internet Explorer 8 doesn't render borders in on buttons in a justified button group, whether it's on <code>&lt;a&gt;</code> or <code>&lt;button&gt;</code> elements. To get around that, wrap each button in another <code>.btn-group</code>.</p>
+    <p>Internet Explorer 8 doesn't render borders on buttons in a justified button group, whether it's on <code>&lt;a&gt;</code> or <code>&lt;button&gt;</code> elements. To get around that, wrap each button in another <code>.btn-group</code>.</p>
     <p>See <a href="https://github.com/twbs/bootstrap/issues/12476">#12476</a> for more information.</p>
   </div>