Dart SDK Spelling b, c, and d.

tests/compiler/dart2js_extra/deferred_split_test.dart

Index: tests/compiler/dart2js_extra/deferred_split_test.dart
diff --git a/tests/compiler/dart2js_extra/deferred_split_test.dart b/tests/compiler/dart2js_extra/deferred_split_test.dart
index de8b3e806f91650315ed5464960a62f63a43e1ef..045934959bfa7318dcaf0900be5750f95ca3c94b 100644
--- a/tests/compiler/dart2js_extra/deferred_split_test.dart
+++ b/tests/compiler/dart2js_extra/deferred_split_test.dart
@@ -2,7 +2,7 @@
 // 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.
 
-/// Regression for issue 23853: we used to incorreclty split and put a type in a
+/// Regression for issue 23853: we used to incorrectly split and put a type in a
 /// deferred hunk if the type was used explicitly in the deferred library and
 /// was used only in a generic type in the main library.
 library compiler.test.dart2js_extra.deferred_split_test;