Update a-stateful-component.js

Author: Ryan-LT

content/home/examples/a-stateful-component.js

@@ -21,7 +21,7 @@ class Timer extends React.Component {
   render() {
     return (
       <div>
-        Bộ đếm giây: {this.state.seconds}
+        Giây: {this.state.seconds}
       </div>
     );
   }
@@ -30,4 +30,4 @@ class Timer extends React.Component {
 ReactDOM.render(
   <Timer />,
   document.getElementById('timer-example')
-);
+);