diff --git a/examples/non-responsive/index.html b/examples/non-responsive/index.html
index b51818c6d3..1c56b300f9 100644
--- a/examples/non-responsive/index.html
+++ b/examples/non-responsive/index.html
@@ -35,6 +35,7 @@
       <div class="container">
         <div class="navbar-header">
           <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
+            <span class="sr-only">Toggle navigation</span>
             <span class="icon-bar"></span>
             <span class="icon-bar"></span>
             <span class="icon-bar"></span>