Correct comment wording

runtime/bin/http.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.
 
 /**
  * HTTP status codes.
  */
 interface HttpStatus {
   static final int CONTINUE = 100;
   static final int SWITCHING_PROTOCOLS = 101;
@@ skipping 253 matching lines @@
   /**
    * Remove all values for the specified header name. Some headers
    * have system supplied values and for these the system supplied
    * values will still be added to the collection of values for the
    * header.
    */
   void removeAll(String name);
 
   /**
    * Enumerate the headers applying the function [f] to each
-   * header. The header names in passed in [name] will be all lower
+   * header. The header names passed in [name] will be all lower
    * case.
    */
   void forEach(void f(String name, List<String> values));
 
   /**
    * Gets and sets the date. The value of this property will
    * reflect the "Date" header
    */
   Date date;
 
@@ skipping 305 matching lines @@
   Socket get socket();
   List<int> get unparsedData();
 }
 
 
 class HttpException implements Exception {
   const HttpException([String this.message = ""]);
   String toString() => "HttpException: $message";
   final String message;
 }