diff --git a/README.md b/README.md
index a8cc883cf39d40..41ba259023df04 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,7 @@ import Button from '@mui/material/Button';
 function App() {
   return (
     <Button variant="contained" color="primary">
-      Hello World
+      Hello World!
     </Button>
   );
 }