diff --git a/docs/manual/CoreTypes/filterchain.html b/docs/manual/CoreTypes/filterchain.html
index 9d8dfb7b3..414aae620 100644
--- a/docs/manual/CoreTypes/filterchain.html
+++ b/docs/manual/CoreTypes/filterchain.html
@@ -80,6 +80,7 @@ is equivalent to:
 </PRE></BLOCKQUOTE>
 
 The following built-in tasks support nested &lt;filterchain&gt; elements.<BR>
+<a href="../CoreTasks/concat.html">Copy</a>,<BR>
 <a href="../CoreTasks/copy.html">Copy</a>,<BR>
 <a href="../CoreTasks/loadfile.html">LoadFile</a>,<BR>
 <a href="../CoreTasks/loadproperties.html">LoadProperties</a>,<BR>