The following code shows how to mark label element with control-label.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-git2.js'></script>
<link rel="stylesheet" type="text/css"
href="http://getbootstrap.com/assets/css/docs.css">
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc1/css/bootstrap.min.css">
<script type='text/javascript'
src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc1/js/bootstrap.min.js"></script>
</head><!-- w w w .ja v a 2 s . c o m-->
<body style='margin:30px'>
<form class="form-horizontal">
<div class="form-group">
<label for="inputMonth" class="col-lg-2 control-label">Favorite
Month</label>
<div class="col-lg-10">
<input type="month" class="form-control" id="inputMonth"
placeholder="">
</div>
</div>
</form>
</body>
</html>