diff --git a/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t21_lib.dart b/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t21_lib.dart
index 3cf47d58b5..5e2618ca14 100644
--- a/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t21_lib.dart
+++ b/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t21_lib.dart
@@ -23,7 +23,7 @@ augment library 'augmented_expression_A05_t21.dart';
 import '../../Utils/expect.dart';
 
 augment class C {
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     void local() {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
@@ -34,7 +34,7 @@ augment class C {
 }
 
 augment mixin M {
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     void local() {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
@@ -46,7 +46,7 @@ augment mixin M {
 
 augment enum E {
   augment e1;
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     void local() {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
@@ -57,7 +57,7 @@ augment enum E {
 }
 
 augment extension Ext {
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     void local() {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
diff --git a/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t23_lib.dart b/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t23_lib.dart
index 4e7926dc52..97ef99769f 100644
--- a/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t23_lib.dart
+++ b/LanguageFeatures/Augmentation-libraries/augmented_expression_A05_t23_lib.dart
@@ -23,7 +23,7 @@ augment library 'augmented_expression_A05_t23.dart';
 import '../../Utils/expect.dart';
 
 augment class C {
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     var f = () {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
@@ -34,7 +34,7 @@ augment class C {
 }
 
 augment mixin M {
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     var f = () {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
@@ -46,7 +46,7 @@ augment mixin M {
 
 augment enum E {
   augment e1;
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     var f = () {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
@@ -57,7 +57,7 @@ augment enum E {
 }
 
 augment extension Ext {
-  void operator []=(int index, Object? value) {
+  augment void operator []=(int index, Object? value) {
     var f = () {
       augmented[index] = value;
       Expect.equals("Original [$index]=$value", _log);
diff --git a/LanguageFeatures/Wildcards/other_declarations_A05_t45.dart b/LanguageFeatures/Wildcards/other_declarations_A05_t45.dart
index b66d764d46..83374738d7 100644
--- a/LanguageFeatures/Wildcards/other_declarations_A05_t45.dart
+++ b/LanguageFeatures/Wildcards/other_declarations_A05_t45.dart
@@ -14,7 +14,7 @@
 // SharedOptions=--enable-experiment=wildcard-variables
 
 void topLevelFunction([int _]) {}
-//                          ^
+//                         ^
 // [analyzer] unspecified
 // [cfe] unspecified