Fix typo in widget_inspector.dart (#174115)

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packages/flutter/lib/src/widgets/widget_inspector.dart

@@ -3072,7 +3072,7 @@ class _WidgetInspectorState extends State<WidgetInspector> with WidgetsBindingOb
 ///
 /// See also:
 ///
-///  * [DisableWidgetInspectorScope], the widget used to enable the inspector for a widget subtree.
+///  * [DisableWidgetInspectorScope], the widget used to disable the inspector for a widget subtree.
 ///  * [WidgetInspector], the widget used to provide inspector support for a widget subtree.
 class EnableWidgetInspectorScope extends ProxyWidget {
   /// Enables the Flutter DevTools Widget Inspector for the [Widget] subtree rooted at [child].