Update documentation about accent color (#116778)

diff --git a/packages/flutter/lib/src/material/checkbox_list_tile.dart b/packages/flutter/lib/src/material/checkbox_list_tile.dart
index e492366..b398907 100644
--- a/packages/flutter/lib/src/material/checkbox_list_tile.dart
+++ b/packages/flutter/lib/src/material/checkbox_list_tile.dart
@@ -219,7 +219,7 @@
 
   /// The color to use when this checkbox is checked.
   ///
-  /// Defaults to accent color of the current [Theme].
+  /// Defaults to [ColorScheme.secondary] of the current [Theme].
   final Color? activeColor;
 
   /// The color to use for the check icon when this checkbox is checked.
diff --git a/packages/flutter/lib/src/material/radio_list_tile.dart b/packages/flutter/lib/src/material/radio_list_tile.dart
index 2e39b83..527e773 100644
--- a/packages/flutter/lib/src/material/radio_list_tile.dart
+++ b/packages/flutter/lib/src/material/radio_list_tile.dart
@@ -245,7 +245,7 @@
 
   /// The color to use when this radio button is selected.
   ///
-  /// Defaults to accent color of the current [Theme].
+  /// Defaults to [ColorScheme.secondary] of the current [Theme].
   final Color? activeColor;
 
   /// The primary content of the list tile.
diff --git a/packages/flutter/lib/src/material/switch_list_tile.dart b/packages/flutter/lib/src/material/switch_list_tile.dart
index 51ee37a..920f74d 100644
--- a/packages/flutter/lib/src/material/switch_list_tile.dart
+++ b/packages/flutter/lib/src/material/switch_list_tile.dart
@@ -266,7 +266,7 @@
 
   /// The color to use when this switch is on.
   ///
-  /// Defaults to accent color of the current [Theme].
+  /// Defaults to [ColorScheme.secondary] of the current [Theme].
   final Color? activeColor;
 
   /// The color to use on the track when this switch is on.