diff --git a/demos/accordion/collapsible.html b/demos/accordion/collapsible.html
index 8b1a24ccff..e4c3e8ea37 100644
--- a/demos/accordion/collapsible.html
+++ b/demos/accordion/collapsible.html
@@ -40,7 +40,7 @@
 </div>
 
 <div class="demo-description">
-<p>By default, accordions always keep one section open. To allow for all sections to be be collapsible, set the <code>collapsible</code> option to true. Click on the currently open section to collapse its content pane.</p>
+<p>By default, accordions always keep one section open. To allow for all sections to be collapsible, set the <code>collapsible</code> option to true. Click on the currently open section to collapse its content pane.</p>
 </div>
 </body>
 </html>