Fix some bad documentation links.

sdk/lib/isolate/isolate.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Concurrent programming using _isolates_:
  * independent workers that are similar to threads
  * but don't share memory,
  * communicating only via messages.
  *
@@ skipping 508 matching lines @@
    *
    * Since isolates run concurrently, it's possible for it to exit before the
    * error listener is established. To avoid this, start the isolate paused,
    * add the listener and then resume the isolate.
    */
   external void addErrorListener(SendPort port);
 
   /**
    * Stops listening for uncaught errors from the isolate.
    *
-   * Requests for the isolate to not send uncaught errors on [responsePort].
-   * If the isolate isn't expecting to send uncaught errors on [responsePort],
+   * Requests for the isolate to not send uncaught errors on [port].
+   * If the isolate isn't expecting to send uncaught errors on [port],
    * because the port hasn't been added using [addErrorListener],
    * or because it has already been removed, the request is ignored.
    *
    * If the same port has been passed via [addErrorListener] more than once,
    * only one call to `removeErrorListener` is needed to stop it from receiving
    * unaught errors.
    *
    * Uncaught errors message may still be sent by the isolate
    * until this request is received and processed.
    */
@@ skipping 180 matching lines @@
  * as the original error, but has no other features of the original error.
  */
 class RemoteError implements Error {
   final String _description;
   final StackTrace stackTrace;
   RemoteError(String description, String stackDescription)
       : _description = description,
         stackTrace = new StackTrace.fromString(stackDescription);
   String toString() => _description;
 }