fix text class in docs

docs/docs.html

@@ -567,13 +567,13 @@ title: Bootstrap Documentation
     <div class="bs-docs-example">
       <p class="text-muted">Fusce dapibus, tellus ac cursus commodo, tortor mauris nibh.</p>
       <p class="text-warning">Etiam porta sem malesuada magna mollis euismod.</p>
-      <p class="text-error">Donec ullamcorper nulla non metus auctor fringilla.</p>
+      <p class="text-danger">Donec ullamcorper nulla non metus auctor fringilla.</p>
       <p class="text-success">Duis mollis, est non commodo luctus, nisi erat porttitor ligula.</p>
     </div>
 {% highlight html linenos %}
 <p class="text-muted">...</p>
 <p class="text-warning">...</p>
-<p class="text-error">...</p>
+<p class="text-danger">...</p>
 <p class="text-success">...</p>
 {% endhighlight %}