Fixes issue #387. Very simple change param doc clarification.

To-be-reviewed by: jgw
Change by: bruce


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@979 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/src/com/google/gwt/user/client/Cookies.java

diff --git a/user/src/com/google/gwt/user/client/Cookies.java b/user/src/com/google/gwt/user/client/Cookies.java
index c2be0d5..7be0b5c 100644
--- a/user/src/com/google/gwt/user/client/Cookies.java
+++ b/user/src/com/google/gwt/user/client/Cookies.java
@@ -43,7 +43,7 @@
    * Gets the cookie associated with the given name.
    * 
    * @param name the name of the cookie to be retrieved
-   * @return the cookie's value
+   * @return the cookie's value, or <code>null</code> if the cookie doesn't exist
    */
   public static String getCookie(String name) {
     Map cookiesMap = ensureCookies();