Fix children to be a prop in the blog post example

_posts/2015-12-18-react-components-elements-and-instances.md

@@ -70,10 +70,12 @@ When an element’s `type` is a string, it represents a DOM node with that tag n
     className: 'button button-blue',
     children: {
       type: 'b',
+      props: {
         children: 'OK!'
       }
     }
   }
+}
 ```
 
 This element is just a way to represent the following HTML as a plain object:
@@ -191,10 +193,12 @@ React will ask `Button` what it renders to. The `Button` will return this elemen
     className: 'button button-blue',
     children: {
       type: 'b',
+      props: {
         children: 'OK!'
       }
     }
   }
+}
 ```
 
 React will repeat this process until it knows the underlying DOM tag elements for every component on the page.