diff --git a/css.html b/css.html
index 3319de61a9..25d73ea659 100644
--- a/css.html
+++ b/css.html
@@ -1254,13 +1254,13 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
     <h3 id="forms-horizontal">Horizontal form</h3>
     <p>Use Bootstrap's predefined grid classes to align labels and groups of form controls in a horizontal layout.</p>
     <form class="bs-example form-horizontal">
-      <div class="row">
+      <div class="row form-group">
         <label for="inputEmail" class="col-lg-2 control-label">Email</label>
         <div class="col-lg-10">
           <input type="text" class="form-control" id="inputEmail" placeholder="Email">
         </div>
       </div>
-      <div class="row">
+      <div class="row form-group">
         <label for="inputPassword" class="col-lg-2 control-label">Password</label>
         <div class="col-lg-10">
           <input type="password" class="form-control" id="inputPassword" placeholder="Password">
@@ -1277,13 +1277,13 @@ For example, <code>&lt;section&gt;</code> should be wrapped as inline.
     </form>
 {% highlight html %}
 <form class="form-horizontal">
-  <div class="row">
+  <div class="row form-group">
     <label for="inputEmail" class="form-control" class="col-lg-2 control-label">Email</label>
     <div class="col-lg-10">
       <input type="text" id="inputEmail" placeholder="Email">
     </div>
   </div>
-  <div class="row">
+  <div class="row form-group">
     <label for="inputPassword" class="col-lg-2 control-label">Password</label>
     <div class="col-lg-10">
       <input type="password" class="form-control" id="inputPassword" placeholder="Password">