diff --git a/src/main/org/apache/tools/ant/MagicNames.java b/src/main/org/apache/tools/ant/MagicNames.java
index f41596126..5cf2fa8fa 100644
--- a/src/main/org/apache/tools/ant/MagicNames.java
+++ b/src/main/org/apache/tools/ant/MagicNames.java
@@ -210,6 +210,7 @@ public final class MagicNames {
     /**
      * Name of Ant core package
      * Value: {@value}
+     * @since Ant 1.10.9
      */
     public static final String ANT_CORE_PACKAGE = "org.apache.tools.ant";