diff --git a/RELEASE-NOTES.html b/RELEASE-NOTES.html
index 8cc8a0ac2..8bf7a880f 100644
--- a/RELEASE-NOTES.html
+++ b/RELEASE-NOTES.html
@@ -26,18 +26,13 @@ No interface changes, or deprecations have occurred.
 <center><h3>NEW CLASSES</h3></center>
 <ul>
 <li>TransformedPredicate - A predicate where the input object is transformed [26946]</li>
+<li>ObjectGraphIterator - An iterator that can iterate over a graph of objects</li>
 </ul>
 
 <center><h3>ENHANCEMENTS</h3></center>
 <ul>
 <li>ReferenceMap - Changed to extend AbstractHashedMap, thus gaining a mapIterator() and subclassability</li>
-<li>Fast3Map - Make Serializable [27946]</li>
 <li>Fast3Map - Add clone() method</li>
-<li>FixedSizeMap - Make Serializable [18815]</li>
-<li>FixedSizeSortedMap - Make Serializable [18815]</li>
-<li>LazyMap - Make Serializable [18815]</li>
-<li>LazySortedMap - Make Serializable [18815]</li>
-<li>ListOrderedMap - Make Serializable [18815]</li>
 <li>MultiKey - Add getKey(index) and size() methods and make constructor public</li>
 <li>MultiHashMap - Add five methods to improve the API</li>
 <li>AbstractHashedMap,AbstractLinkedMap - Add methods to access entry methods when protected scope blocks</li>
@@ -47,6 +42,18 @@ No interface changes, or deprecations have occurred.
 <li>CollectionUtils - Add size(Object) method to find the size of various collection-like objects [27909]</li>
 </ul>
 
+<h4>Made Serializable</h4>
+<ul>
+<li>Fast3Map [27946]</li>
+<li>FixedSizeMap/SortedMap [18815]</li>
+<li>LazyMap/SortedMap [18815]</li>
+<li>ListOrderedMap [18815]</li>
+<li>PredicatedMap/SortedMap [18815]</li>
+<li>TransformedMap/SortedMap [18815]</li>
+<li>UnmodifiableMap/SortedMap/OrderedMap [18815]</li>
+<li>TiedMapEntry</li>
+</ul>
+
 <center><h3>BUG FIXES</h3></center>
 <ul>
 <li>Map/BidiMap implementations only checked key and not value in entry set contains(Object) and remove(Object)</li>
diff --git a/src/java/org/apache/commons/collections/keyvalue/TiedMapEntry.java b/src/java/org/apache/commons/collections/keyvalue/TiedMapEntry.java
index 68444cd62..662a9e58b 100644
--- a/src/java/org/apache/commons/collections/keyvalue/TiedMapEntry.java
+++ b/src/java/org/apache/commons/collections/keyvalue/TiedMapEntry.java
@@ -15,6 +15,7 @@
  */
 package org.apache.commons.collections.keyvalue;
 
+import java.io.Serializable;
 import java.util.Map;
 
 import org.apache.commons.collections.KeyValue;
@@ -26,11 +27,14 @@ import org.apache.commons.collections.KeyValue;
  * map, however this will probably mess up any iterators.
  *
  * @since Commons Collections 3.0
- * @version $Revision: 1.4 $ $Date: 2004/02/18 01:00:08 $
+ * @version $Revision: 1.5 $ $Date: 2004/04/09 14:35:10 $
  * 
  * @author Stephen Colebourne
  */
-public class TiedMapEntry implements Map.Entry, KeyValue {
+public class TiedMapEntry implements Map.Entry, KeyValue, Serializable {
+
+    /** Serialization version */    
+    private static final long serialVersionUID = -8453869361373831205L;
 
     /** The map underlying the entry/iterator */    
     private final Map map;