Update components docs for functional components (#2547)

* Update components docs for functional components

* Update components-and-props.md

Co-authored-by: Sunil Pai <threepointone@oculus.com>

content/docs/components-and-props.md

@@ -44,7 +44,7 @@ class Welcome extends React.Component {
 
 The above two components are equivalent from React's point of view.
 
-Classes have some additional features that we will discuss in the [next sections](/docs/state-and-lifecycle.html). Until then, we will use function components for their conciseness.
+Function and Class components both have some additional features that we will discuss in the [next sections](/docs/state-and-lifecycle.html).
 
 ## Rendering a Component {#rendering-a-component}