The following code shows how to set carousel-caption.
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.9.1.js'></script>
<script type='text/javascript'
src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/js/bootstrap.min.js"></script>
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/css/bootstrap-combined.no-icons.min.css">
</head><!-- w w w . j a v a2 s . com-->
<body>
<div id="myCarousel" class="carousel slide">
<!-- slider -->
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<div class="caption-block"></div>
<div class="carousel-inner">
<div class="active item">
<!-- item 1 -->
<img src="http://www.placehold.it/940x300" alt="">
<div class="carousel-caption">
<h4>Lorem ipsum dolor sit amet.</h4>
</div>
</div>
<!-- end item -->
<div class="item">
<!-- item 2 -->
<img src="http://www.placehold.it/940x300" alt="">
<div class="carousel-caption">
<h4>Title</h4>
<p>Mollitia officia reiciendis excepturi temporibus quibusdam.</p>
</div>
</div>
<!-- end item -->
<div class="item">
<!-- item 3 -->
<img src="http://www.placehold.it/940x300" alt="">
<div class="carousel-caption">
<h4>Title</h4>
<p>Quibusdam blanditiis.</p>
</div>
</div>
<!-- end item -->
</div>
<!-- end carousel inner -->
<a class="carousel-control left" href="#myCarousel" data-slide="prev">‹</a>
<a class="carousel-control right" href="#myCarousel" data-slide="next">›</a>
</div>
<!-- end slider -->
</body>
</html>