Dart SDK Spelling b, c, and d.

pkg/dart_messages/lib/shared_messages.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // 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.
 
 /// An update to this file must be followed by regenerating the corresponding
 /// json, dart2js and analyzer file. Use `publish.dart` in the bin directory.
 ///
 /// Every message in this file must have an id. Use `message_id.dart` in the
 /// bin directory to generate a fresh one.
 ///
@@ skipping 514 matching lines @@
    * It is a static type warning if <i>T</i> does not have an accessible
    * instance member named <i>m</i>.
    */
   'UNDEFINED_METHOD_WITH_CONSTRUCTOR': new Message(
       id: 'ERUSKD',
       subId: 2,
       specializationOf: "UNDEFINED_METHOD",
       categories: [Category.staticTypeWarning],
       template: "The method '#{memberName}' is not defined for the class"
           " '#{className}', but a constructor with that name is defined.",
-      howToFix: "Try adding 'new' or 'const' to invoke the constuctor, or "
+      howToFix: "Try adding 'new' or 'const' to invoke the constructor, or "
           "change the method name.",
       usedBy: [analyzer],
       examples: const [
         """
         class A {
           A.bar() {}
         }
         main() { A.bar(); }
         """,
       ]),
@@ skipping 307 matching lines @@
         main() { x = 3; }
         """,
         """
         const x = 1;
         main() { x = 3; }
         """,
         "get foo => null  main() { foo = 5; }",
         "const foo = 0  main() { foo = 5; }",
       ]),
 };