diff --git a/css.html b/css.html
index 919844e0f2..c613bdc262 100644
--- a/css.html
+++ b/css.html
@@ -1260,8 +1260,8 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
     <div class="table-responsive">
       <table class="table table-bordered table-striped">
         <colgroup>
-          <col class="col-lg-1">
-          <col class="col-lg-7">
+          <col class="col-xs-1">
+          <col class="col-xs-7">
         </colgroup>
         <thead>
           <tr>