Minor example page update

src/example.js

@@ -54,7 +54,13 @@ class Example extends Component {
   render() {
     return (
       <View accessibilityRole='main' style={styles.root}>
-        <Heading level='1' size='xlarge'>React Native for Web: examples</Heading>
+        <Heading level='1' size='xlarge'>React Native Web</Heading>
+        <Text>React Native Web takes the core components from <Text
+        component="a" href="https://facebook.github.io/react-native/">React
+        Native</Text> and brings them to the web. These components provide
+        simple building blocks – touch and swipe handling, flexbox layout,
+        scroll views – from which more complex components and apps can be
+        constructed.</Text>
 
         <Heading level='2' size='large'>Image</Heading>
         <Image
@@ -194,7 +200,6 @@ class Example extends Component {
 
 const styles = {
   root: {
-    fontFamily: 'sans-serif',
     maxWidth: '600px',
     margin: '0 auto'
   },

src/index.html

@@ -3,5 +3,6 @@
 <title>React Native for Web</title>
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta name="description" content="The core React Native components adapted and expanded upon for the web">
+<style>html { font-family: sans-serif; }</style>
 <div id="react-root"></div>
 <script src="/example.js"></script>