Fixed Twig example.

_posts/04-02-01-Composer-and-Packagist.md

@@ -41,13 +41,11 @@ When you come across documentation that states to run Composer as `php composer.
 
 First, create a `composer.json` file in the same directory as `composer.phar`. Here's an example that lists [Twig][2] as a project dependency.
 
-{% highlight json %}
-{
+	{
 	    "require": {
 	        "twig/twig": "1.8.*"
 	    }
-}
-{% endhighlight %}
+	}
 
 Next, run this command from your project root directory.
 

_posts/07-02-01-Test-Driven-Development.md

@@ -18,7 +18,7 @@ var_dump() in a test.php, which is no way to build an application - large or sma
 
 The other use for unit tests is contributing to open source. If you can write a test that shows broken 
 functionality, then fix it, and show the test working, patches are much more likely to be accepted. If 
-you run a project who accepts pull requests, you should suggest this as a requirement for pull requests.
+you run a project which accepts pull requests then you should suggest this as a requirement.
 
 PHPUnit is the most popular and has become a de facto standard with its popular adoption amongst [PHP 
 frameworks][phpfws] and [Composer][composer] component developers, but there are a few alternatives around.