change the position of some texe .

docs/manual/zh/introduction/How-to-run-things-locally.html

@@ -159,7 +159,6 @@ ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 8000, :DocumentRoot =>
 
 				<code>open /Applications/Google\ Chrome.app --args --allow-file-access-from-files</code>
 			</div>
-
 			<h3>Firefox</h3>
 			<div>
 				<ol>
@@ -179,7 +178,6 @@ ruby -r webrick -e "s = WEBrick::HTTPServer.new(:Port => 8000, :DocumentRoot =>
 
 			<p>
                 其它简单的替代方案你可以在Stack Overflow上找到：[link:http://stackoverflow.com/q/12905426/24874 click here]。
-
 			</p>
 		</div>