diff --git a/docs/_includes/components/glyphicons.html b/docs/_includes/components/glyphicons.html
index e874341372..c614103c63 100644
--- a/docs/_includes/components/glyphicons.html
+++ b/docs/_includes/components/glyphicons.html
@@ -45,10 +45,10 @@
   <div class="bs-example">
     <div class="btn-toolbar" role="toolbar">
       <div class="btn-group">
-        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-left"></span></button>
-        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-center"></span></button>
-        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-right"></span></button>
-        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-justify"></span></button>
+        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-left"></span> <span class="sr-only">Left Align</span></button>
+        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-center"></span> <span class="sr-only">Center Align</span></button>
+        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-right"></span> <span class="sr-only">Right Align</span></button>
+        <button type="button" class="btn btn-default"><span class="glyphicon glyphicon-align-justify"></span> <span class="sr-only">Justify</span></button>
       </div>
     </div>
     <div class="btn-toolbar" role="toolbar">