Fix typo

postcss/index.html

@@ -203,7 +203,7 @@ <h4 id="examples"><a class="markdownIt-Anchor" href="#examples">#</a> Examples</
 <p>If you were using cssnext with default options, you might just need this:</p>
 <pre><code class="language-console">$ npm <span class="hljs-operator"><span class="hljs-keyword">uninstall</span> cssnext [<span class="hljs-comment">--save[-dev]]</span>
 $ npm <span class="hljs-keyword">install</span> postcss postcss-<span class="hljs-keyword">import</span> postcss-<span class="hljs-keyword">url</span> postcss-cssnext postcss-browser-reporter postcss-reporter [<span class="hljs-comment">--save[-dev]]</span></span></code></pre>
-<p>With the previous lines you might thing that you are going backward by having a
+<p>With the previous lines you might think that you are going backward by having a
 more complex boilerplate. But if you look carefully, you will notice that you
 might not be interested by some options.</p>
 <p>Now that you have the appropriate plugins, here are some examples with some runners
@@ -464,4 +464,4 @@ <h5 id="postcss-loader"><a class="markdownIt-Anchor" href="#postcss-loader">#</a
 	<path fill="url(#SVGID_12_)" d="M255.475,13.569l-4.391,21.613h-0.932l4.373-21.613H255.475z"/>
 </g>
 </svg></span> is brought to you by <a href="https://twitter.com/MoOx">@MoOx</a> &amp; <a href="https://github.com/MoOx/postcss-cssnext/graphs/contributors">some other contributors</a>.</p><small><a href="/it-s-cssnext-not-CSSNext">Note: it&#x27;s cssnext, not CSSNext</a><span style="opacity:.4;margin-left:1rem;"><a href="/credits">Credits</a> | <a href="https://github.com/MoOx/postcss-cssnext/edit/master/docs/content/postcss.md">Edit this page</a></span></small></footer><script src="/index.js?324ab33daa104afc23a6"></script><script>
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