diff --git a/src/App.js b/src/App.js
index 3784575..54f3965 100644
--- a/src/App.js
+++ b/src/App.js
@@ -17,6 +17,7 @@ function App() {
         >
           Learn React
         </a>
+        <button>OK</button>
       </header>
     </div>
   );