fixed grammatical error (#1450)

docs/documentation/components/navbar.html

@@ -528,7 +528,7 @@ document.addEventListener('DOMContentLoaded', function () {
 
     <h1 class="title">Navbar</h1>
     <h2 class="subtitle">
-      A responsive horizontal <strong>navbar</strong> that can supports images, links, buttons, and dropdowns
+      A responsive horizontal <strong>navbar</strong> that can support images, links, buttons, and dropdowns
     </h2>
     {%
       include meta.html