diff --git a/docs/_includes/components/input-groups.html b/docs/_includes/components/input-groups.html
index e7ea9c0646..4cfddad08e 100644
--- a/docs/_includes/components/input-groups.html
+++ b/docs/_includes/components/input-groups.html
@@ -221,7 +221,7 @@
     <div class="input-group">
       <div class="input-group-btn">
         <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">Action <span class="caret"></span></button>
-        <ul class="dropdown-menu">
+        <ul class="dropdown-menu" role="menu">
           <li><a href="#">Action</a></li>
           <li><a href="#">Another action</a></li>
           <li><a href="#">Something else here</a></li>
@@ -237,7 +237,7 @@
       <input type="text" class="form-control">
       <div class="input-group-btn">
         <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">Action <span class="caret"></span></button>
-        <ul class="dropdown-menu dropdown-menu-right">
+        <ul class="dropdown-menu dropdown-menu-right" role="menu">
           <li><a href="#">Action</a></li>
           <li><a href="#">Another action</a></li>
           <li><a href="#">Something else here</a></li>