Docs: add missing "http://"

docs/_includes/getting-started/download.html

@@ -50,7 +50,7 @@
   <p><code>require('bootstrap')</code> will load all of Bootstrap's jQuery plugins onto the jQuery object. The <code>bootstrap</code> module itself does not export anything. You can manually load Bootstrap's jQuery plugins individually by loading the <code>/js/*.js</code> files under the package's top-level directory.</p>
   <p>Bootstrap's <code>package.json</code> contains some additional metadata under the following keys:</p>
   <ul>
-    <li><code>less</code> - path to Bootstrap's main <a href="lesscss.org">Less</a> source file</li>
+    <li><code>less</code> - path to Bootstrap's main <a href="http://lesscss.org">Less</a> source file</li>
     <li><code>style</code> - path to Bootstrap's non-minified CSS that's been precompiled using the default settings (no customization)</li>
   </ul>