make title of decrement button consistent

Author: micahstubbs

src/containers/home/index.js

@@ -20,7 +20,7 @@ const Home = props => (
  </p>
 
  <p>
- <button onClick={props.decrement} disabled={props.isDecrementing}>Decrementing</button>
+ <button onClick={props.decrement} disabled={props.isDecrementing}>Decrement</button>
  <button onClick={props.decrementAsync} disabled={props.isDecrementing}>Decrement Async</button>
  </p>