diff --git a/LanguageFeatures/nnbd/static_errors_A12_t01.dart b/LanguageFeatures/nnbd/static_errors_A12_t01.dart
index 2801abcdec..3ec27bc400 100644
--- a/LanguageFeatures/nnbd/static_errors_A12_t01.dart
+++ b/LanguageFeatures/nnbd/static_errors_A12_t01.dart
@@ -2,14 +2,13 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-/// @assertion It is an error if a named parameter that is part of a required
-/// group is not bound to an argument at a call site
+/// @assertion It is an error if a required named parameter is not bound to an
+/// argument at a call site.
 ///
-/// @description Check that it is an error if a named parameter that is part of a
-/// required group is not bound to an argument at a call site
+/// @description Check that it is an error a required named parameter is not
+/// bound to an argument at a call site
 /// @author sgrekhov@unipro.ru
 
-
 class C {
   static void test1({required int x}) {}
   void test2({required int x}) {}
diff --git a/LanguageFeatures/nnbd/static_errors_A12_t02.dart b/LanguageFeatures/nnbd/static_errors_A12_t02.dart
index 153de0e5c3..93d3f86c31 100644
--- a/LanguageFeatures/nnbd/static_errors_A12_t02.dart
+++ b/LanguageFeatures/nnbd/static_errors_A12_t02.dart
@@ -2,14 +2,13 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-/// @assertion It is an error if a named parameter that is part of a required
-/// group is not bound to an argument at a call site
+/// @assertion It is an error if a required named parameter is not bound to an
+/// argument at a call site.
 ///
-/// @description Check that it is an error if a named parameter that is part of a
-/// required group is not bound to an argument at a call site
+/// @description Check that it is an error if a required named parameter is not
+/// bound to an argument at a call site
 /// @author sgrekhov@unipro.ru
 
-
 class C {
   static void test1({required int x, String y = ""}) {}
   void test2({required int x, String y = ""}) {}
diff --git a/LanguageFeatures/nnbd/static_errors_A12_t03.dart b/LanguageFeatures/nnbd/static_errors_A12_t03.dart
index 19bc919645..7e1d8b770f 100644
--- a/LanguageFeatures/nnbd/static_errors_A12_t03.dart
+++ b/LanguageFeatures/nnbd/static_errors_A12_t03.dart
@@ -2,14 +2,13 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-/// @assertion It is an error if a named parameter that is part of a required
-/// group is not bound to an argument at a call site
+/// @assertion It is an error if a required named parameter is not bound to an
+/// argument at a call site.
 ///
-/// @description Check that it is an error if a named parameter that is part of a
-/// required group is not bound to an argument at a call site
+/// @description Check that it is an error if a required named parameter is not
+/// bound to an argument at a call site
 /// @author sgrekhov@unipro.ru
 
-
 class C {
   static void test1({required int x, String y = "", required String z}) {}
   void test2({required int x, String y = "", required String z}) {}