diff --git a/ch09/ex9-1.md b/ch09/ex9-1.md
index 8dcd4cf..5d21e1b 100644
--- a/ch09/ex9-1.md
+++ b/ch09/ex9-1.md
@@ -11,11 +11,9 @@ void main() {
 
 class MyApp extends StatelessWidget {
   const MyApp({Key? key}) : super(key: key);
-
   @override
   Widget build(BuildContext context) {
-    const title = 'Rich Text';
-
+    const title = 'RichText Demo';
     return MaterialApp(
       title: title,
       home: Scaffold(
@@ -31,49 +29,25 @@ class MyApp extends StatelessWidget {
 double screenHeight = 0.0;
 
 class MyRichText extends StatelessWidget {
-  const MyRichText();
-
+  const MyRichText({Key? key}) : super(key: key);
   @override
   Widget build(BuildContext context) {
-    screenHeight = MediaQuery.of(context).size.height/3;
-
-    return SingleChildScrollView(
-      child: Column(
+    screenHeight = MediaQuery.of(context).size.height / 3;
+    return RichText(
+      text: const TextSpan(
         children: [
-          Container(
-            height: screenHeight,
-            color: Colors.red,
+          TextSpan(
+            text: 'Hello',
+            style: TextStyle(fontWeight: FontWeight.bold, fontSize: 24),
           ),
-          Row(
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: [
-            SizedBox(height:  screenHeight),
-            RichText(
-              text: const TextSpan(
-                children: [
-                  TextSpan(
-                    text: 'Hello',
-                    style: TextStyle(fontWeight: FontWeight.bold, fontSize: 24),
-                  ),
-                  TextSpan(
-                    text: 'Luxembourg',
-                    style: TextStyle(
-                        fontWeight: FontWeight.bold,
-                        fontSize: 32,
-                        color: Colors.grey),
-                  ),
-                ],
-              ),
-            ),
-          ]),
-          Container(
-            height:  screenHeight,
-            color: Colors.blue,
+          TextSpan(
+            text: 'Luxembourg',
+            style: TextStyle(
+                fontWeight: FontWeight.bold, fontSize: 32, color: Colors.grey),
           ),
         ],
       ),
     );
   }
 }
-
 ```