next and previous links fixed up
diff --git a/user_guide/libraries/zip.html b/user_guide/libraries/zip.html
index 3df99bf..8629bc1 100644
--- a/user_guide/libraries/zip.html
+++ b/user_guide/libraries/zip.html
@@ -270,7 +270,7 @@
<div id="footer">
<p>
-Previous Topic: <a href="validation.html">Validation Class</a>
+Previous Topic: <a href="xmlrpc.html"> XML-RPC Class</a>
·
<a href="#top">Top of Page</a> ·
<a href="../index.html">User Guide Home</a> ·