diff --git a/lib/domain/language_check_service.dart b/lib/domain/language_check_service.dart
index 24b6b65..ac7ee83 100644
--- a/lib/domain/language_check_service.dart
+++ b/lib/domain/language_check_service.dart
@@ -2,7 +2,7 @@ import 'package:languagetool_textfield/domain/mistake.dart';
 
 /// Base language check service.
 abstract class LanguageCheckService {
-  /// Base language check service constructor.
+  /// Creates a new instance of the [LanguageCheckService] class.
   const LanguageCheckService();
 
   /// Function that finds mistakes in given text.
diff --git a/lib/domain/mistake.dart b/lib/domain/mistake.dart
index 7c4e723..b2b4337 100644
--- a/lib/domain/mistake.dart
+++ b/lib/domain/mistake.dart
@@ -3,7 +3,7 @@ class Mistake {
   /// A brief description of the mistake.
   final String message;
 
-  /// The type of mistake.
+  /// A type of this mistake.
   final String type;
 
   /// A position of the beginning of the mistake.
@@ -17,7 +17,7 @@ class Mistake {
   /// Sorted by probability.
   final List<String> replacements;
 
-  /// Create a new instance of the [Mistake] class
+  /// Creates a new instance of the [Mistake] class
   const Mistake({
     required this.message,
     required this.type,