diff --git a/lib/ui/channel_buffers.dart b/lib/ui/channel_buffers.dart
index ba67c41269b9c..a32a557e1f121 100644
--- a/lib/ui/channel_buffers.dart
+++ b/lib/ui/channel_buffers.dart
@@ -25,7 +25,7 @@ class _StoredMessage {
 
 /// A fixed-size circular queue.
 class _RingBuffer<T> {
-  /// The underlying data for the RingBuffer.  ListQueue's dynamically resize,
+  /// The underlying data for the RingBuffer.  ListQueues dynamically resize,
   /// [_RingBuffer]s do not.
   final collection.ListQueue<T> _queue;
 
diff --git a/lib/web_ui/lib/src/ui/channel_buffers.dart b/lib/web_ui/lib/src/ui/channel_buffers.dart
index 6ce0bc962f1f4..fa587a907a1bc 100644
--- a/lib/web_ui/lib/src/ui/channel_buffers.dart
+++ b/lib/web_ui/lib/src/ui/channel_buffers.dart
@@ -24,7 +24,7 @@ class _StoredMessage {
 
 /// A fixed-size circular queue.
 class _RingBuffer<T> {
-  /// The underlying data for the RingBuffer.  ListQueue's dynamically resize,
+  /// The underlying data for the RingBuffer.  ListQueues dynamically resize,
   /// [_RingBuffer]s do not.
   final collection.ListQueue<T> _queue;
 
diff --git a/tools/android_lint/bin/main.dart b/tools/android_lint/bin/main.dart
index f9a9e4359dc28..9c632d24d108e 100644
--- a/tools/android_lint/bin/main.dart
+++ b/tools/android_lint/bin/main.dart
@@ -65,7 +65,7 @@ Future<int> runLint(ArgParser argParser, ArgResults argResults) async {
       await baselineXml.delete();
     }
   }
-  print('Preparing projext.xml...');
+  print('Preparing project.xml...');
   final IOSink projectXml = File(projectXmlPath).openWrite();
   projectXml.write(
       '''<!-- THIS FILE IS GENERATED. PLEASE USE THE INCLUDED DART PROGRAM  WHICH -->
@@ -154,7 +154,7 @@ ArgParser setupOptions() {
     )
     ..addOption(
       'out',
-      help: 'The path to write the generated the HTML report to. Ignored if '
+      help: 'The path to write the generated HTML report. Ignored if '
           '--html is not also true.',
       defaultsTo: path.join(projectDir, 'lint_report'),
     );
diff --git a/web_sdk/test/api_conform_test.dart b/web_sdk/test/api_conform_test.dart
index 8b7aee91fd562..ede590f271a01 100644
--- a/web_sdk/test/api_conform_test.dart
+++ b/web_sdk/test/api_conform_test.dart
@@ -39,7 +39,7 @@ void main() {
   final Map<String, ClassDeclaration> uiClasses = <String, ClassDeclaration>{};
   final Map<String, ClassDeclaration> webClasses = <String, ClassDeclaration>{};
 
-  // Gather all public classes from each library. For now we are skiping
+  // Gather all public classes from each library. For now we are skipping
   // other top level members.
   _collectPublicClasses(uiUnit, uiClasses, 'lib/ui/');
   _collectPublicClasses(webUnit, webClasses, 'lib/web_ui/lib/');
diff --git a/web_sdk/web_engine_tester/lib/golden_tester.dart b/web_sdk/web_engine_tester/lib/golden_tester.dart
index 49b40aaf7cc5c..d8cf77059fa59 100644
--- a/web_sdk/web_engine_tester/lib/golden_tester.dart
+++ b/web_sdk/web_engine_tester/lib/golden_tester.dart
@@ -65,7 +65,7 @@ Future<void> matchGoldenFile(String filename,
     'pixelComparison': pixelComparison.toString(),
   };
 
-  // Chrome on macOS renders slighly differently from Linux, so allow it an
+  // Chrome on macOS renders slightly differently from Linux, so allow it an
   // extra 1% to deviate from the golden files.
   if (maxDiffRatePercent != null) {
     if (operatingSystem == OperatingSystem.macOs) {