diff --git a/docs/manual/CoreTasks/sync.html b/docs/manual/CoreTasks/sync.html
index 9b45e305a..5d9ad5eb6 100644
--- a/docs/manual/CoreTasks/sync.html
+++ b/docs/manual/CoreTasks/sync.html
@@ -105,6 +105,8 @@ supported as a nested element.</p>
 
 <h4>preserveInTarget</h4>
 
+<p><em>Since Ant 1.7.0</em></p>
+
 <p>Specifies files or directories that should be kept in the target
 directory even if they are not present in one of the source
 directories.</p>