Fix typo in source file

Author: johno

src/templates/index.html

@@ -223,7 +223,7 @@ <h2 class="f4 f2-ns fw6 mb2">Functional</h2>
                   <h2 class="f4 f2-ns fw6 mb2">Multiple Flavors</h2>
                   <p class="f5 measure lh-copy mt0">
                     Don't like the class names? We've got <a class="black dim" href="https://github.com/tachyons-css/tachyons-verbose">a more verbose version you might like</a>.
-                    Want to use Sass instead of Postcss? <a class="black dim" href="http://github.com/tachyons-css/tachyons-sass">We've got a repo for that too :)</a> Tachyons isn't just a css toolkit. It's a design system. Utitlized here in a <a class="black dim" href="https://github.com/tachyons-css/react-native-style-tachyons">react native boilerplate.</a>
+                    Want to use Sass instead of Postcss? <a class="black dim" href="http://github.com/tachyons-css/tachyons-sass">We've got a repo for that too :)</a> Tachyons isn't just a css toolkit. It's a design system. Utilized here in a <a class="black dim" href="https://github.com/tachyons-css/react-native-style-tachyons">react native boilerplate.</a>
                   </p>
                 </article>
               </div>