--- old/src/com/sun/org/apache/xerces/internal/impl/msg/XMLMessages.properties	Thu Jun  6 14:13:33 2013
+++ new/src/com/sun/org/apache/xerces/internal/impl/msg/XMLMessages.properties	Thu Jun  6 14:13:33 2013
@@ -261,8 +261,8 @@
 # Entity related messages
 # 3.1 Start-Tags, End-Tags, and Empty-Element Tags
         ReferenceToExternalEntity = The external entity reference \"&{0};\" is not permitted in an attribute value.
-        AccessExternalDTD = External DTD: Failed to read external DTD ''{0}'', because ''{1}'' access is not allowed.
-        AccessExternalEntity = External Entity: Failed to read external document ''{0}'', because ''{1}'' access is not allowed.
+        AccessExternalDTD = External DTD: Failed to read external DTD ''{0}'', because ''{1}'' access is not allowed due to restriction set by the accessExternalDTD property.
+        AccessExternalEntity = External Entity: Failed to read external document ''{0}'', because ''{1}'' access is not allowed due to restriction set by the accessExternalDTD property.
 
 # 4.1 Character and Entity References
         EntityNotDeclared = The entity \"{0}\" was referenced, but not declared.