Respond to feedback in issue by revising to correct error in shift+tab documentation

Author: mcking65

content/patterns/tabs/examples/tabs-actions.html

@@ -288,7 +288,7 @@ <h3 id="kbd1_label">Tabs</h3>
                   <li>When focus is on a menu <code>button</code> associated with a <code>tab</code>, moves focus to the associated <code>tab</code>.</li>
                   <li>When focus is on a <code>tab</code>:
                     <ul>
-                      <li>If the current focus follows the active <code>tab</code> (is to the right in left-to-right layouts), moves focus to the active <code>tab</code>.</li>
+                      <li>If the current focus follows the active <code>tab</code> (is to the right in left-to-right layouts), moves focus to the menu <code>button</code> associated with the active <code>tab</code>.</li>
                       <li>Otherwise, moves focus to the first focusable element preceding the <code>tablist</code>.</li>
                     </ul>
                   </li>