Wrap apply with code

examples/spread-operator/index.jsx

@@ -16,7 +16,7 @@ export default React.createClass({
         </p>
         <p>
           This is most useful for dealing with cases like <Code>apply</Code> where you want to pass an iterable as its components.
-          In fact, apply is no longer needed to pass an array as arguments.
+          In fact, <Code>apply</Code> is no longer needed to pass an array as arguments.
           <Playground codeText={b} es6Console={true} scope={{}} />
         </p>
         <p>