diff --git a/WHATSNEW b/WHATSNEW
index a7a1d3124..a84976e69 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -179,6 +179,9 @@ Other changes:
   
 * <propertyfile>'s <entry> now has a 'unit' attribute to specify the
   increment/decrement unit on date operations.
+  
+* <property> now supports a 'prefix' attribute when loading from a file
+  or resource.
 
 Changes from Ant 1.4 to Ant 1.4.1
 ===========================================