diff --git a/lib/src/credentials.dart b/lib/src/credentials.dart
index 635eed1..ecbe0d4 100644
--- a/lib/src/credentials.dart
+++ b/lib/src/credentials.dart
@@ -45,7 +45,8 @@
   /// End-Users to be Authenticated, contains Claims, represented as a
   /// JSON Web Token (JWT).
   ///
-  /// This may be `null`, indicating that the openid scope is not implemented.
+  /// This may be `null`, indicating that the 'openid' scope was not
+  /// requested (or not supported).
   ///
   /// [spec]: https://openid.net/specs/openid-connect-core-1_0.html#IDToken
   final String idToken;
diff --git a/pubspec.yaml b/pubspec.yaml
index 9da666f..9e8c56f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: oauth2
-version: 1.2.4
+version: 1.4.0
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/oauth2
 description: >-