Add missing role="button" in .navbar's .dropdown-toggle

Fixes #26830

diff --git a/docs/4.1/components/navbar.md b/docs/4.1/components/navbar.md
index d3b235c3e1d9b2aacd3195237099d6cbad19f8d8..50b8f34867234316efee3eac8ff0710228de7cae 100644 (file)
--- a/docs/4.1/components/navbar.md
+++ b/docs/4.1/components/navbar.md
@@ -185,7 +185,7 @@ You may also utilize dropdowns in your navbar nav. Dropdown menus require a wrap
         <a class="nav-link" href="#">Pricing</a>
       </li>
       <li class="nav-item dropdown">
-        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
           Dropdown link
         </a>
         <div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">