diff --git a/text.py b/text.py
index 9f6b91a..c13902a 100644
--- a/text.py
+++ b/text.py
@@ -1,16 +1,27 @@
-from textual.app import App, ComposeResult
+from textual.app import App
 from textual.widgets import TabbedContent, TabPane, TextArea
 
 class SimpleCLITool(App):
-    def compose(self) -> ComposeResult:
-        # Create TabbedContent with two tabs
-        yield TabbedContent() as tc:
-            # First Tab
-            with TabPane("First Tab"):
-                yield TextArea("This is the content of the first tab. " * 10, auto_width=True)
 
-            # Second Tab
-            with TabPane("Second Tab"):
-                yield TextArea("This is the content of the second tab. " * 10, auto_width=True)
+    async def on_mount(self):
+        # Create TabbedContent with two tabs
+        tabbed_content = TabbedContent()
+
+        # First Tab with its content
+        first_tab = TabPane("First Tab")
+        first_tab_content = TextArea("This is the content of the first tab. " * 10, auto_width=True)
+        await first_tab.mount(first_tab_content)
+
+        # Second Tab with its content
+        second_tab = TabPane("Second Tab")
+        second_tab_content = TextArea("This is the content of the second tab. " * 10, auto_width=True)
+        await second_tab.mount(second_tab_content)
+
+        # Add tabs to TabbedContent
+        tabbed_content.add_tab(first_tab, "First Tab")
+        tabbed_content.add_tab(second_tab, "Second Tab")
+
+        # Dock the TabbedContent into the app's view
+        await self.view.dock(tabbed_content)
 
 SimpleCLITool.run(log="textual.log")