Fixed kitchenSink.jsx link and default text styles example in README (c…

…hromakode#44)

README.md

@@ -98,7 +98,7 @@ Use to assign styles to text.
 It can be handy to create an object containing your default text styles for reuse. For example:
 
 ```js
-const textStyles = {
+const textDefaults = {
   fontFamily: 'Verdana',
   fontSize: 42,
   fontWeight: 'bold',
@@ -120,7 +120,7 @@ Use to format links. Requires an `href` prop. Always sets `target="_blank"` and
 An image, without any pesky borders, outlines, or underlines by default. Requires a `src` prop, and `width` and `height` to be set. You can override the default styles (such as adding a border) using the `style` prop.
 
 ## Head CSS and Media Queries
-You can pass a string prop `headCSS` to your `<Email>` component. You can see it in our [kitchenSink.js](https://github.com/chromakode/react-html-email/blob/master/examples/kitchenSink.js) example.
+You can pass a string prop `headCSS` to your `<Email>` component. You can see it in our [kitchenSink.jsx](https://github.com/chromakode/react-html-email/blob/master/examples/kitchenSink.jsx) example.
 
 ## Mailchimp attributes
 If you're using Mailchimp and need to add their custom `mc:edit` attributes to your markup, we recommend using the [mailchimpify](http://github.com/Roilan/mailchimpify) module.