diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/extension/DeweyDecimal.java b/src/main/org/apache/tools/ant/taskdefs/optional/extension/DeweyDecimal.java
index 7f8bdd945..2edc2a78c 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/extension/DeweyDecimal.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/extension/DeweyDecimal.java
@@ -28,6 +28,7 @@ package org.apache.tools.ant.taskdefs.optional.extension;
  *
  * Original Implementation moved to org.apache.tools.ant.util.DeweyDecimal
  * @deprecated use org.apache.tools.ant.util.DeweyDecimal instead.
+ * Deprecated since ant 1.8
  */
 public final class DeweyDecimal extends org.apache.tools.ant.util.DeweyDecimal {