diff --git a/graphql_parser/lib/src/language/ast/argument.dart b/graphql_parser/lib/src/language/ast/argument.dart
index 6639874a..f1150bd4 100644
--- a/graphql_parser/lib/src/language/ast/argument.dart
+++ b/graphql_parser/lib/src/language/ast/argument.dart
@@ -3,18 +3,31 @@ import '../token.dart';
 import 'node.dart';
 import 'input_value.dart';
 
+/// An argument passed to a [FieldContext].
 class ArgumentContext extends Node {
-  final Token NAME, COLON;
+  /// The source tokens.
+  final Token nameToken, colon;
+
+  /// The value of the argument.
   final InputValueContext value;
 
-  ArgumentContext(this.NAME, this.COLON, this.value);
+  ArgumentContext(this.nameToken, this.colon, this.value);
 
   /// Use [value] instead.
   @deprecated
   InputValueContext get valueOrVariable => value;
 
-  String get name => NAME.text;
+  /// Use [nameToken] instead.
+  @deprecated
+  Token get NAME => nameToken;
+
+  /// Use [colon] instead.
+  @deprecated
+  Token get COLON => colon;
+
+  /// The name of the argument, as a [String].
+  String get name => nameToken.text;
 
   @override
-  FileSpan get span => NAME.span.expand(COLON.span).expand(value.span);
+  FileSpan get span => nameToken.span.expand(colon.span).expand(value.span);
 }