diff --git a/packages/flutter/lib/src/material/tabs.dart b/packages/flutter/lib/src/material/tabs.dart
index a87220db0d..937ce060a7 100644
--- a/packages/flutter/lib/src/material/tabs.dart
+++ b/packages/flutter/lib/src/material/tabs.dart
@@ -574,42 +574,42 @@ class _TabBarScrollController extends ScrollController {
 ///
 /// ```dart
 /// Widget build(BuildContext context) {
-///    return DefaultTabController(
-///      initialIndex: 1,
-///      length: 3,
-///      child: Scaffold(
-///        appBar: AppBar(
-///          title: const Text('TabBar Widget'),
-///          bottom: const TabBar(
-///            tabs: <Widget>[
-///              Tab(
-///                icon: Icon(Icons.cloud_outlined),
-///              ),
-///              Tab(
-///                icon: Icon(Icons.beach_access_sharp),
-///              ),
-///              Tab(
-///                icon: Icon(Icons.brightness_5_sharp),
-///              ),
-///            ],
-///          ),
-///        ),
-///        body: const TabBarView(
-///          children: <Widget>[
-///            Center(
-///              child: Text('It\'s cloudy here'),
-///            ),
-///            Center(
-///              child: Text('It\'s rainy here'),
-///            ),
-///            Center(
-///              child: Text('It\'s sunny here'),
-///            ),
-///          ],
-///        ),
-///      ),
-///    );
-///  }
+///   return DefaultTabController(
+///     initialIndex: 1,
+///     length: 3,
+///     child: Scaffold(
+///       appBar: AppBar(
+///         title: const Text('TabBar Widget'),
+///         bottom: const TabBar(
+///           tabs: <Widget>[
+///             Tab(
+///               icon: Icon(Icons.cloud_outlined),
+///             ),
+///             Tab(
+///               icon: Icon(Icons.beach_access_sharp),
+///             ),
+///             Tab(
+///               icon: Icon(Icons.brightness_5_sharp),
+///             ),
+///           ],
+///         ),
+///       ),
+///       body: const TabBarView(
+///         children: <Widget>[
+///           Center(
+///             child: Text('It\'s cloudy here'),
+///           ),
+///           Center(
+///             child: Text('It\'s rainy here'),
+///           ),
+///           Center(
+///             child: Text('It\'s sunny here'),
+///           ),
+///         ],
+///       ),
+///     ),
+///   );
+/// }
 /// ```
 /// {@end-tool}
 ///