Update documentation link (#71401)

diff --git a/dev/tools/update_icons.dart b/dev/tools/update_icons.dart
index cc0bed7..fcf1b09 100644
--- a/dev/tools/update_icons.dart
+++ b/dev/tools/update_icons.dart
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 // Regenerates the material icons file.
-// See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts
+// See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts-&-Icons
 
 import 'dart:convert' show LineSplitter;
 import 'dart:io';
diff --git a/packages/flutter/lib/src/material/icons.dart b/packages/flutter/lib/src/material/icons.dart
index 65d5880..62b09ec 100644
--- a/packages/flutter/lib/src/material/icons.dart
+++ b/packages/flutter/lib/src/material/icons.dart
@@ -21,7 +21,7 @@
   }
 
   // Generated code: do not hand-edit.
-  // See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts
+  // See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts-&-Icons
   // BEGIN GENERATED PLATFORM ADAPTIVE ICONS
 
   /// Platform-adaptive icon for <i class="material-icons md-36">arrow_back</i> &#x2014; material icon named "arrow back" and <i class="material-icons md-36">arrow_back_ios</i> &#x2014; material icon named "arrow back ios".;
@@ -164,7 +164,7 @@
   static _PlatformAdaptiveIcons get adaptive => _PlatformAdaptiveIcons();
 
   // Generated code: do not hand-edit.
-  // See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts
+  // See https://github.com/flutter/flutter/wiki/Updating-Material-Design-Fonts-&-Icons
   // BEGIN GENERATED ICONS
 
   /// <i class="material-icons md-36">10k</i> &#x2014; material icon named "10k".